Board Certified Behavior Analyst (BCBA) Examination — Questions and Answers

Question 1: In an ABAB reversal design, what does the second 'A' phase demonstrate?

A follow-up is conducted
Generalization has occurred
A new intervention is added
The behavior returns toward baseline when the intervention is removed, demonstrating experimental control (Correct answer)

Correct answer: The behavior returns toward baseline when the intervention is removed, demonstrating experimental control

The second A phase (return to baseline) demonstrates experimental control by showing that behavior reverts when the independent variable is withdrawn, ruling out coincidental factors.

Question 2: A scatter plot assessment is best used to:

Measure the intensity of a behavior across settings
Identify temporal patterns in when a behavior occurs (Correct answer)
Identify the specific function of a behavior
Determine the topography of a behavior

Correct answer: Identify temporal patterns in when a behavior occurs

A scatter plot records whether a behavior occurs during specific time blocks across days, revealing temporal patterns that may correlate with environmental events.

Question 3: Which schedule of reinforcement delivers reinforcement after a fixed number of responses?

Variable ratio
Fixed interval
Variable interval
Fixed ratio (Correct answer)

Correct answer: Fixed ratio

A fixed ratio (FR) schedule delivers reinforcement after a set, unchanging number of responses, producing high and steady rates of responding.

Question 4: Which concept refers to the spread of behavior change to untrained stimuli or responses that are similar to trained ones?

Differential reinforcement
Generalization (Correct answer)
Discrimination training
Stimulus control

Correct answer: Generalization

Generalization is the occurrence of learned behavior in the presence of stimuli or responses other than those present during training, without explicit programming.

Question 5: In a functional analysis, the 'attention' condition typically involves the therapist:

Providing continuous reinforcement for all behaviors
Ignoring the client while attending to other tasks and briefly attending following problem behavior (Correct answer)
Presenting demands and removing them contingent on problem behavior
Providing free access to all preferred items

Correct answer: Ignoring the client while attending to other tasks and briefly attending following problem behavior

In the attention condition, the therapist ignores the client and only delivers brief attention contingent on problem behavior to test social-positive reinforcement.

Question 6: In a standard functional analysis, what does an elevated response rate in the 'alone' condition typically suggest?

The behavior is maintained by automatic (sensory) reinforcement (Correct answer)
The behavior is attention-maintained
The behavior is escape-maintained
The behavior is maintained by social positive reinforcement

Correct answer: The behavior is maintained by automatic (sensory) reinforcement

High rates of behavior in the alone condition (no social stimuli) indicate the behavior produces its own reinforcement (automatic/sensory reinforcement) independent of social consequences.

Question 7: What percentage of a BCaBA's or RBT's total weekly service hours must come from direct, unrestricted supervision according to BACB requirements?

20%
15%
10% (Correct answer)
5%

Correct answer: 10%

The BACB requires that supervisors provide at least 5% of supervised fieldwork hours as direct, unrestricted supervision — but current RBT standards require at least one monthly observation and specific contact minimums.

Question 8: In organizational behavior management (OBM), what is a 'performance diagnostic checklist'?

A record of disciplinary actions
A checklist for staff to self-evaluate their own behavior
A tool to identify whether performance problems are due to skill deficits, motivational issues, or environmental barriers (Correct answer)
A data sheet for measuring client outcomes

Correct answer: A tool to identify whether performance problems are due to skill deficits, motivational issues, or environmental barriers

A performance diagnostic checklist is a structured assessment tool in OBM used to determine the root cause of staff performance problems before selecting an intervention.

Question 9: A behavior analyst receives a gift from a client's family as a token of appreciation. According to the BACB ethics code, how should the behavior analyst respond?

Politely decline the gift and explain that accepting gifts is against professional ethics. (Correct answer)
Ask the client's family to give the gift directly to the organization.
Accept the gift and thank the family
Accept the gift but donate it to charity.

Correct answer: Politely decline the gift and explain that accepting gifts is against professional ethics.

The BACB ethics code prohibits behavior analysts from accepting gifts from clients or their families because doing so can compromise objectivity and create a dual relationship. Politely declining while explaining the professional reasoning maintains appropriate boundaries. Accepting the gift outright, donating it, or redirecting it to the organization all still involve accepting something that should be declined.

Question 10: Which term describes a stimulus that increases the probability of a behavior when presented after that behavior?

Negative reinforcer
Discriminative stimulus
Positive reinforcer (Correct answer)
Punisher

Correct answer: Positive reinforcer

A positive reinforcer is any stimulus whose presentation following a behavior increases or maintains the future frequency of that behavior.

Question 11: Which procedure involves briefly removing the learner from access to all sources of reinforcement contingent on problem behavior?

Response cost
Exclusionary time-out (Correct answer)
Sensory extinction
Nonexclusionary time-out

Correct answer: Exclusionary time-out

Exclusionary time-out physically removes the learner from the reinforcing environment to a less reinforcing setting contingent on problem behavior.

Question 12: Which of the following is NOT a characteristic of Applied Behavior Analysis (ABA)?

Hypothetical (Correct answer)
Applied
Technological
Conceptually systematic

Correct answer: Hypothetical

Applied Behavior Analysis (ABA) is characterized by seven dimensions: Applied, Behavioral, Analytic, Technological, Conceptually Systematic, Effective, and Generality. 'Hypothetical' is not one of these defining characteristics; ABA focuses on observable and measurable behaviors and interventions with demonstrated effectiveness, rather than theoretical constructs.

Question 13: In data analysis, what does 'variability' refer to?

The number of data points collected
The average level of behavior across a phase
The spread or inconsistency of data points around a central value (Correct answer)
The direction data are moving over time

Correct answer: The spread or inconsistency of data points around a central value

Variability refers to how much individual data points deviate from each other or from a measure of central tendency within or across phases.

Question 14: Which measurement dimension records the number of times a behavior occurs within an observation period?

Interresponse time
Frequency (count) (Correct answer)
Duration
Latency

Correct answer: Frequency (count)

Frequency (count) is a fundamental measurement dimension that records how many times a discrete behavior occurs during an observation period.

Question 15: What is the primary internal validity threat that a multiple baseline design controls for?

Maturation and history confounds addressed by staggered baselines (Correct answer)
Schedule thinning effects
Observer drift in data collection
Carryover effects between treatments

Correct answer: Maturation and history confounds addressed by staggered baselines

Multiple baseline designs control for history and maturation by staggering intervention introduction; if improvement occurs only when the treatment is applied to each baseline, extraneous factors are ruled out.

Question 16: Which BACB credential requires a master's degree, coursework in ABA, supervised fieldwork hours, and passing the BCBA examination?

BCBA (Correct answer)
BCBA-D
RBT
BCaBA

Correct answer: BCBA

The BCBA (Board Certified Behavior Analyst) credential requires a master's or higher degree, BACB-verified coursework, supervised fieldwork, and passing the BCBA examination.

Question 17: What is the main goal of a behavior intervention plan (BIP)

To eliminate undesirable behavior
To diagnose behavior disorders
To teach and reinforce desired behaviors (Correct answer)
To punish inappropriate behaviors

Correct answer: To teach and reinforce desired behaviors

The main goal of a Behavior Intervention Plan (BIP) is to teach and reinforce desired, appropriate behaviors that can serve as alternatives to problem behaviors. While reducing undesirable behavior is a component, the focus is on building a repertoire of functional skills. This approach ensures that individuals learn effective ways to meet their needs, leading to lasting positive change.

Question 18: Which behavioral systems concept involves analyzing how organizational inputs, processes, and outputs are interconnected to improve performance?

Staff training
Systems analysis (Correct answer)
Performance management
Total quality management

Correct answer: Systems analysis

Systems analysis in OBM examines the relationships among organizational inputs, throughputs (processes), and outputs to identify where changes will most improve overall performance.

Question 19: In a changing criterion design, experimental control is demonstrated when behavior matches what?

The behavior of a matched control participant
Each successive performance criterion specified in the design (Correct answer)
The original baseline level at each phase
A normative performance standard

Correct answer: Each successive performance criterion specified in the design

In a changing criterion design, experimental control is shown when behavior steps up (or down) to match each new criterion level as it changes across phases.

Question 20: Which punishment procedure involves removing access to positive reinforcers contingent on a problem behavior?

Sensory extinction
Overcorrection
Response cost (Correct answer)
Physical restraint

Correct answer: Response cost

Response cost is a form of negative punishment in which a specified amount of a reinforcer is removed contingent on a target behavior, decreasing that behavior.

Question 21: What is 'performance feedback' in the context of OBM and staff supervision?

Ongoing, specific information given to staff about the quality and quantity of their work to improve future performance (Correct answer)
Informal praise given occasionally
Annual performance reviews only
Written reprimands for poor performance

Correct answer: Ongoing, specific information given to staff about the quality and quantity of their work to improve future performance

Performance feedback in OBM is specific, data-based information delivered in a timely manner about a staff member's performance to increase desired work behaviors.

Question 22: Preference assessments are conducted primarily to:

Determine the function of a problem behavior
Identify stimuli that may serve as effective reinforcers (Correct answer)
Assess a client's adaptive behavior skills
Evaluate the topography of target behaviors

Correct answer: Identify stimuli that may serve as effective reinforcers

Preference assessments identify stimuli the individual is likely to prefer, which are then evaluated in reinforcer assessments to confirm their effectiveness as reinforcers.

Question 23: Which maintenance strategy involves periodically re-exposing a learner to learned material to prevent skill decay?

Massed practice
Distributed practice
Interspersal training
Booster sessions (Correct answer)

Correct answer: Booster sessions

Booster sessions are periodic brief review sessions that re-expose learners to previously mastered skills to maintain performance over time.

Question 24: What is the primary purpose of the BACB's Continuing Education (CE) requirement for certificants?

To meet state licensure requirements only
To replace the need for supervision after certification
To ensure certificants maintain and expand their professional competencies throughout their careers (Correct answer)
To generate revenue for the BACB

Correct answer: To ensure certificants maintain and expand their professional competencies throughout their careers

CE requirements ensure that certificants continuously update their knowledge, skills, and competencies in behavior analysis to provide safe and effective services.

Question 25: Which scatter plot variant used in ABA identifies the times of day or conditions most associated with high rates of problem behavior?

Histogram
Bar graph
Cumulative record
Scatter plot (time-based) (Correct answer)

Correct answer: Scatter plot (time-based)

A scatter plot in ABA is a grid organized by time of day and session/day that is filled in when the target behavior occurs, revealing temporal patterns.

Question 26: Which prompting strategy fades prompts from the most intrusive to least intrusive over time?

Simultaneous prompting
Least-to-most prompting
Most-to-least prompting (Correct answer)
Time delay

Correct answer: Most-to-least prompting

Most-to-least prompting begins with the highest level of assistance and systematically reduces prompt intrusiveness as the learner acquires the skill.

Question 27: What is "prompt" in the context of behavior analysis?

An antecedent that evokes behavior (Correct answer)
A consequence that increase behavior
A method to measure behavior
A stimulus that decreases behavior

Correct answer: An antecedent that evokes behavior

In behavior analysis, a prompt is an antecedent stimulus or cue that is added to the environment to increase the likelihood that a person will emit a desired behavior. Prompts are used to guide the learner to the correct response and are typically faded over time as the learner becomes more independent. They occur *before* the behavior, making them an antecedent.

Question 28: What is extinction in behavior analysis?

The complete removal of a reinforcement following a behavior (Correct answer)
The gradual increase of a behavior
The introduction of new behavior
The use of punishment to decrease a behavior

Correct answer: The complete removal of a reinforcement following a behavior

In behavior analysis, extinction refers to the process of decreasing a behavior by completely removing or withholding the reinforcement that previously maintained it. When a behavior no longer produces its accustomed consequence, its future occurrence is expected to diminish. This is a key principle for reducing unwanted behaviors without using punishment.

Question 29: A descriptive FBA (e.g., ABC recording) differs from a functional analysis in that it:

Requires at least two practitioners to conduct
Is always conducted in a clinical setting
Documents naturally occurring antecedents and consequences without manipulating variables (Correct answer)
Identifies function by experimental manipulation

Correct answer: Documents naturally occurring antecedents and consequences without manipulating variables

Descriptive FBA observes and records naturally occurring ABCs without manipulating variables, providing correlational rather than experimental evidence of behavioral function.

Question 30: When a functional analysis reveals high rates of problem behavior only in the demand condition, the behavior is most likely maintained by:

Social-negative reinforcement (escape) (Correct answer)
Social-positive reinforcement (attention)
Tangible reinforcement
Automatic reinforcement

Correct answer: Social-negative reinforcement (escape)

High rates exclusively in the demand condition suggest the behavior is negatively reinforced by escape or avoidance of demands (social-negative reinforcement).

Question 31: What is the purpose of a functional behavior assessment (FBA)?

To design an interview of a behavior
To identify the function of a behavior (Correct answer)
To measure the severity of a behavior
To diagnose a psychological disorder

Correct answer: To identify the function of a behavior

The purpose of a Functional Behavior Assessment (FBA) is to identify the *function* or purpose that a specific behavior serves for an individual. It seeks to understand the 'why' behind a behavior, such as whether it is maintained by attention, escape, access to tangibles, or sensory input. This understanding is critical for developing effective and function-based interventions.

Question 32: A behavior analyst records the number of intervals in which a behavior occurred out of the total intervals observed and converts to a percentage. What is this called?

Percent occurrence (Correct answer)
Frequency count
Rate per minute
Duration percentage

Correct answer: Percent occurrence

Percent occurrence divides the number of intervals (or trials) in which a behavior occurred by the total number of intervals observed and multiplies by 100.

Question 33: What does 'stimulus fading' involve in a prompting hierarchy?

Gradually changing the physical dimension of a stimulus prompt until the natural SD controls the response (Correct answer)
Delaying the delivery of a prompt
Removing physical guidance over repeated trials
Delivering weaker reinforcers over time

Correct answer: Gradually changing the physical dimension of a stimulus prompt until the natural SD controls the response

Stimulus fading systematically changes the physical properties (size, color, intensity) of a stimulus prompt until the unaltered natural SD evokes the correct response.

Question 34: A behavior analyst is working with a client who is also seeing a speech therapist. The behavior analyst notices that the goals set by the speech therapist conflict with the behavior analytic goals. What should the behavior analyst do?

Discuss the conflicting goals with the client and their guardians, and then proceed with their own goals
Reach out to the speech therapist to discuss the conflicting goals and collaborate on a unified approach. (Correct answer)
Ignore the speech therapist's goals and continue with their own goals.
Inform the client to stop seeing the speech therapist.

Correct answer: Reach out to the speech therapist to discuss the conflicting goals and collaborate on a unified approach.

When a behavior analyst's goals conflict with another provider's goals, the ethical course of action is to collaborate directly with that provider to create a unified treatment plan that best serves the client. Ignoring the conflict, acting unilaterally, or telling the client to stop seeing the other therapist all undermine interdisciplinary care and violate the BACB's collaboration standards.

Question 35: What is 'behavioral skills training' (BST) in the context of staff or caregiver training?

A punishment-based training procedure
A training package combining instructions, modeling, rehearsal, and feedback (Correct answer)
A method using only verbal instruction to teach new skills
A data collection method for supervisors

Correct answer: A training package combining instructions, modeling, rehearsal, and feedback

Behavioral skills training (BST) is a structured training package that uses instructions, modeling, behavioral rehearsal, and performance feedback to develop new skills in trainees.

Question 36: Stimulus control is said to be present when a behavior occurs more frequently in the presence of a specific stimulus than in its absence. What is that stimulus called?

Discriminative stimulus (SD) (Correct answer)
Conditioned punisher
Motivating operation
S-delta

Correct answer: Discriminative stimulus (SD)

A discriminative stimulus (SD) is a stimulus in the presence of which a particular behavior has been reinforced and therefore occurs at a higher rate.

Question 37: A descriptive FBA (e.g., ABC recording) differs from a functional analysis primarily because:

Descriptive FBAs use rating scales completed by caregivers
Descriptive FBAs occur in naturalistic settings without experimental manipulation (Correct answer)
Descriptive FBAs always identify the function with certainty
Descriptive FBAs require the analyst to present specific stimuli

Correct answer: Descriptive FBAs occur in naturalistic settings without experimental manipulation

Descriptive assessments involve observing and recording behavior in the natural environment without the controlled manipulation used in a functional analysis.

Question 38: A behavior analyst is considering using a new intervention that has shown promise in recent studies but is not yet widely accepted in the field. What should the behavior analyst do before implementing this intervention?

Wait until the intervention is widely accepted in the field.
Implement the intervention immediately since it shows promise.
Conduct a personal trial of the intervention without informing the client or their guardians.
Review the available research, consider the evidence, and ensure that it align with the client's best interest before proceeding. (Correct answer)

Correct answer: Review the available research, consider the evidence, and ensure that it align with the client's best interest before proceeding.

Before implementing any emerging intervention, a behavior analyst must critically evaluate the research evidence and ensure the approach aligns with the client's best interests—this reflects the BACB's commitment to evidence-based practice. Implementing immediately without review or conducting undisclosed personal trials violates informed consent and scientific rigor. Waiting for widespread acceptance is overly conservative and may unnecessarily delay beneficial treatment.

Question 39: Which single-subject design is most appropriate for evaluating the relative effectiveness of two or more interventions in rapid succession?

Alternating treatments design (Correct answer)
Changing criterion design
Multiple baseline design
Reversal (ABAB) design

Correct answer: Alternating treatments design

The alternating treatments design (ATD) rapidly alternates two or more conditions within or across sessions, allowing comparison of intervention effects under similar conditions.

Question 40: What is response generalization?

When a behavior is reinforced intermittently
When a stimulus elicits different responses
When different behaviors produce the same consequence (Correct answer)
When a behavior occurs in different settings

Correct answer: When different behaviors produce the same consequence

Response generalization occurs when an individual performs different forms of a behavior, or different behaviors altogether, that all produce the same desired consequence or outcome. For example, if a child learns to ask for a cookie, and then also learns to point to a cookie or use a picture card to request a cookie, this demonstrates response generalization because different responses achieve the same goal.

Question 41: What is interobserver agreement (IOA), and why is it important in ABA research?

A method for calculating treatment effect size
A way to assess social validity of an intervention
A statistical test for significance between groups
A measure of how closely two independent observers' data match, ensuring measurement reliability (Correct answer)

Correct answer: A measure of how closely two independent observers' data match, ensuring measurement reliability

IOA measures the degree to which two independent observers record the same data, providing evidence that the measurement system is reliable and objective.

Question 42: A behavior analyst calculates IOA by dividing the number of intervals with agreement by the total number of intervals and multiplying by 100. What method is this?

Trial-by-trial IOA
Interval-by-interval IOA (Correct answer)
Scored-interval IOA
Total count IOA

Correct answer: Interval-by-interval IOA

Interval-by-interval IOA compares each interval independently and expresses overall agreement as a percentage of intervals where both observers recorded the same outcome.

Question 43: Which recording method involves observing and recording behavior during brief, equally spaced time intervals and noting whether the behavior occurred at all during each interval?

Momentary time sampling
Whole-interval recording
Partial-interval recording (Correct answer)
Continuous recording

Correct answer: Partial-interval recording

Partial-interval recording scores an interval as positive if the target behavior occurred at any point during that interval, which tends to overestimate duration.

Question 44: A behavior analyst realizes hey have made a billing error in favor the client's insurance company. According to the BACB ethics code, what should they do?

Inform the client and suggest they contact their insurance company.
Contact a lawyer before taking any action.
Correct the error and inform the clients insurance company (Correct answer)
Ignore the error as it benefits the client .

Correct answer: Correct the error and inform the clients insurance company

The BACB ethics code requires behavior analysts to be honest in billing practices, which means correcting any billing errors promptly and notifying the affected party—in this case, the insurance company. Ignoring the error, even if it benefits the client, is dishonest. Passing the responsibility to the client or waiting for legal counsel before acting are unnecessary delays to a straightforward ethical obligation.

Question 45: Which naturalistic teaching strategy captures the learner's motivation in the natural environment to teach communication and other skills?

Precision teaching
Discrete trial training
Direct instruction
Incidental teaching (Correct answer)

Correct answer: Incidental teaching

Incidental teaching uses naturally occurring opportunities when the learner initiates interaction, capitalizing on existing motivation to promote generalized skill use.

Question 46: A behavior analyst is invited to participate in a research study that involves the use of invasive procedures on animals. The behavior analyst is unsure if the study adheres to ethical guidelines. What should the behavior analyst do?

Participate in the study without further inquiry because it is being conducted by a reputable institution
Decline to participate in the study to avoid an potential ethical violations.
Review the ethical guidelines for research involving animals and consult with an ethics board or committee before making a decisions (Correct answer)
Agree to participate but refuse to perform any invasive procedures.

Correct answer: Review the ethical guidelines for research involving animals and consult with an ethics board or committee before making a decisions

When uncertain about whether a research study meets ethical standards, a behavior analyst should consult the applicable ethical guidelines and seek review from an ethics board before committing to participation. A reputable institution alone does not guarantee ethical compliance. Declining outright may be premature, and agreeing to participate with partial refusal does not resolve the underlying ethical uncertainty.

Question 47: Which concept best describes responding maintained by a history of reinforcement continuing briefly into extinction before stopping?

Spontaneous recovery
Schedule thinning
Resistance to extinction (Correct answer)
Behavioral momentum

Correct answer: Resistance to extinction

Resistance to extinction refers to how long or how much behavior continues after reinforcement is discontinued, often greater after variable than fixed schedules.

Question 48: Which design feature helps rule out 'history' as an alternative explanation for behavior change in a multiple baseline design?

Staggered, sequential introduction of the intervention across baselines (Correct answer)
Use of a yoked control condition
Simultaneous introduction of the intervention across all baselines
Random assignment of participants to conditions

Correct answer: Staggered, sequential introduction of the intervention across baselines

Sequential staggering means behavior in untreated baselines remains stable while treated baselines change, ruling out external historical events as the cause of change.

Question 49: Which type of graph is most commonly used in single-subject ABA research to display data across conditions and phases?

Bar graph
Line graph (Correct answer)
Histogram
Scatter plot

Correct answer: Line graph

Line graphs display data points connected by lines across time, making it easy to visualize trends, level changes, and variability across experimental conditions.

Question 50: Antecedent-based interventions aim to reduce problem behavior by modifying which part of the three-term contingency?

Antecedent conditions and motivating operations (Correct answer)
The consequence
The response topography
The reinforcement schedule

Correct answer: Antecedent conditions and motivating operations

Antecedent-based interventions change triggering conditions or motivating operations before the behavior occurs, preventing the problem behavior from being evoked.

Question 51: Which step should occur first when designing a staff training program based on behavioral principles?

Purchase training materials
Conduct a task analysis and define target competencies (Correct answer)
Schedule training sessions
Select the training format

Correct answer: Conduct a task analysis and define target competencies

Effective behavioral staff training begins with a task analysis to identify the specific skills and competencies trainees must demonstrate, ensuring training targets are clearly defined.

Question 52: Which process involves the gradual increase in response requirements or decrease in reinforcement frequency to maintain behavior?

Differential reinforcement
Schedule thinning (Correct answer)
Shaping
Stimulus fading

Correct answer: Schedule thinning

Schedule thinning is the gradual reduction in the frequency of reinforcement or increase in response requirements to maintain behavior under leaner schedules.

Question 53: What term describes the process by which a neutral stimulus acquires reinforcing properties by being paired with an existing reinforcer?

Shaping
Conditioned reinforcement (Correct answer)
Chaining
Stimulus generalization

Correct answer: Conditioned reinforcement

Conditioned (secondary) reinforcement occurs when a previously neutral stimulus becomes reinforcing through repeated pairing with an unconditioned or already conditioned reinforcer.

Question 54: In OBM, which intervention uses publicly posted data showing individuals' or teams' performance to increase motivation?

Token economy
Noncontingent reinforcement
Response cost
Performance feedback with public posting (Correct answer)

Correct answer: Performance feedback with public posting

Public posting of performance data provides visible, ongoing feedback that can function as a reinforcer or establishing operation, often increasing the rate of desired work behaviors.

Question 55: During a supervision session, a supervisee disclose that they have been implementing behavior analytic procedures without obtaining proper consent from clients. What is the supervisor's ethical obligation?

Ignore the disclosure and focus on other topics during supervision.
Advise the supervisee to obtain consent as soon as possible but take no further action.
Report the supervisee's action to the relevant authorities and ensure that proper consent is obtained moving forward. (Correct answer)
Terminate the supervision relationship immediately.

Correct answer: Report the supervisee's action to the relevant authorities and ensure that proper consent is obtained moving forward.

A supervisor has an ethical obligation to take corrective action when a supervisee engages in misconduct—in this case, implementing procedures without informed consent. This means reporting to relevant authorities and ensuring consent is obtained going forward. Simply advising the supervisee or ignoring the disclosure fails to protect clients, and immediately terminating supervision without addressing the harm is also insufficient.

Question 56: Whole-interval recording tends to do which of the following relative to the true occurrence of a behavior?

Accurately estimate
Produce no systematic bias
Overestimate
Underestimate (Correct answer)

Correct answer: Underestimate

Whole-interval recording underestimates behavior because it only scores an interval as positive if the behavior occurred throughout the entire interval.

Question 57: Backward chaining begins instruction at which step of a task analysis?

Middle step
First step
Hardest step
Last step (Correct answer)

Correct answer: Last step

Backward chaining begins teaching at the final step of the task analysis, so the learner always experiences task completion as the immediate reinforcer.

Question 58: According to BACB standards, an RBT must receive supervision from a qualified BCBA or BCaBA with what minimum frequency?

Once per month with at least one direct observation (Correct answer)
Weekly with daily written feedback
Every session
Once per year

Correct answer: Once per month with at least one direct observation

BACB RBT standards require at least one monthly supervisory contact that includes direct, in-person or remote observation of the RBT implementing behavior-analytic services.

Question 59: Which procedure involves mixing mastered tasks with acquisition tasks to increase motivation and reduce errors?

Blocking
Errorless learning
Interspersal of known and unknown items (Correct answer)
Random rotation

Correct answer: Interspersal of known and unknown items

Interspersal training intermixes easy, already mastered items with new harder items, increasing reinforcement density and reducing frustration during instruction.

Question 60: Which term describes the process of reinforcing the absence of a target behavior for a specified period?

DRO (Correct answer)
DRI
DRA
DRL

Correct answer: DRO

Differential reinforcement of other behavior (DRO) delivers reinforcement when the target problem behavior has not occurred during a set interval.

Question 61: What is the difference between 'restitutional overcorrection' and 'positive practice overcorrection'?

Restitutional requires restoring the environment beyond its original state; positive practice requires repeated practice of correct behavior (Correct answer)
Restitutional is for escape-maintained behavior; positive practice is for attention-maintained behavior
Restitutional uses reinforcement; positive practice uses punishment
They are identical procedures with different names

Correct answer: Restitutional requires restoring the environment beyond its original state; positive practice requires repeated practice of correct behavior

Restitutional overcorrection requires the learner to restore the environment to a better-than-original state, while positive practice requires repeated correct practice of an appropriate alternative.

Question 62: Which BACB document specifies the exact skills and knowledge assessed on the BCBA and BCaBA examinations?

BACB Fieldwork Requirements
BACB Continuing Education Guidelines
BACB Examination Content Outline (Task List) (Correct answer)
BACB Ethics Code

Correct answer: BACB Examination Content Outline (Task List)

The BACB Examination Content Outline (Task List) lists all the skills, concepts, and competencies that may appear on the BCBA and BCaBA certification examinations.

Question 63: What does a 'phase change line' on a behavior graph indicate?

A change in the experimental condition or intervention (Correct answer)
The end of data collection
The average performance across sessions
A data point that is an outlier

Correct answer: A change in the experimental condition or intervention

A phase change line is a vertical line drawn on a graph to indicate the point at which an experimental condition or intervention changed.

Question 64: Which chaining method teaches all steps of a task simultaneously, with the trainer providing assistance on each step during every session?

Forward chaining
Total task chaining (Correct answer)
Backward chaining
Interrupted chain

Correct answer: Total task chaining

Total task chaining presents every step of a task analysis in each session, with the trainer prompting steps as needed so the learner experiences the complete chain every trial.

Question 65: Under the BACB's supervision requirements, which of the following is NOT an acceptable supervision activity?

Structured skill development activities with the supervisee
Reviewing written client reports submitted by the supervisee without any observation (Correct answer)
Direct observation of supervisee's work with a client
Group supervision meetings with performance feedback

Correct answer: Reviewing written client reports submitted by the supervisee without any observation

Reviewing reports without any direct observation does not meet BACB supervision requirements because supervision must include direct observation and interaction, not just document review.

Question 66: Which time-sampling method records whether the behavior is occurring at the exact moment the interval ends?

Whole-interval recording
Event recording
Partial-interval recording
Momentary time sampling (Correct answer)

Correct answer: Momentary time sampling

Momentary time sampling records behavior only at the precise end of each interval, making it less disruptive but less sensitive to brief behaviors.

Question 67: What is the goal of a behavior intervention plan (BIP)?

To assess behavior
To teach and reinforce alternative behaviors (Correct answer)
To eliminate problem behavior
To collect data

Correct answer: To teach and reinforce alternative behaviors

The primary goal of a Behavior Intervention Plan (BIP) is not simply to eliminate problem behavior, but to teach and reinforce alternative, appropriate behaviors that serve the same function as the problem behavior. By replacing undesirable behaviors with functional, socially acceptable ones, the individual can achieve their needs more effectively. This approach promotes skill development and positive behavioral change.

Question 68: Which verbal operant is controlled by a nonverbal discriminative stimulus and produces generalized conditioned reinforcement?

Tact (Correct answer)
Mand
Echoic
Intraverbal

Correct answer: Tact

A tact is a verbal operant evoked by a nonverbal stimulus (object, event, or property) and maintained by generalized conditioned reinforcement from the listener.

Question 69: Which design introduces the independent variable to different behaviors, participants, or settings at staggered time points to demonstrate experimental control without reversing treatment?

Changing criterion design
Multiple baseline design (Correct answer)
Reversal design
Alternating treatments design

Correct answer: Multiple baseline design

A multiple baseline design introduces the intervention sequentially across baselines (behaviors, settings, or participants), demonstrating control without requiring a reversal of treatment.

Question 70: A reinforcer assessment differs from a preference assessment in that a reinforcer assessment:

Identifies items the client approaches or engages with most
Presents items in a forced-choice format across multiple trials
Tests whether identified preferred items actually increase behavior (Correct answer)
Uses structured interviews with caregivers to rank stimuli

Correct answer: Tests whether identified preferred items actually increase behavior

A reinforcer assessment empirically tests whether a stimulus increases the future frequency of the behavior it follows, confirming its function as a reinforcer.

Question 71: What is the primary purpose of a Functional Behavior Assessment (FBA)

To identify the cause of problem behavior (Correct answer)
To measure the effectiveness of interventions
To collect baseline data
To develop a treatment plan

Correct answer: To identify the cause of problem behavior

A Functional Behavior Assessment (FBA) is a systematic process used to understand *why* a problem behavior occurs. Its primary purpose is to identify the function or purpose the behavior serves for the individual, such as gaining attention, escaping a task, or accessing tangibles. This understanding is crucial for developing effective interventions.

Question 72: Which of the following is an example of prompting?

Allowing a child to choose between two activities
Giving a child a verbal cue to pick up toys (Correct answer)
Removing a toy after a child throws it
Ignoring a child's tantrum

Correct answer: Giving a child a verbal cue to pick up toys

Prompting involves providing a cue or assistance to help an individual perform a desired behavior. Giving a child a verbal cue, such as saying 'time to pick up your toys,' is a direct instruction that guides them toward the correct action. This is an antecedent strategy designed to evoke the target behavior.

Question 73: Which concept describes any environmental event or condition that alters the effectiveness of a stimulus as a reinforcer or punisher?

Response generalization
Establishing operation (Correct answer)
Conditioned stimulus
Discriminative stimulus

Correct answer: Establishing operation

An establishing operation (a type of motivating operation) temporarily changes the reinforcing or punishing effectiveness of a stimulus.

Question 74: Which experimental design feature in single-subject research demonstrates experimental control by showing that behavior changes only when the independent variable is applied?

Random assignment
Group comparison
Parametric statistics
Replication of effect (Correct answer)

Correct answer: Replication of effect

Replication of effect within and across participants demonstrates experimental control by showing the behavior reliably changes when the independent variable is introduced and reverses when it is removed.

Question 75: According to Skinner, which type of behavior is elicited by antecedent stimuli and not affected by consequences?

Molar behavior
Respondent behavior (Correct answer)
Operant behavior
Verbal behavior

Correct answer: Respondent behavior

Respondent (or Pavlovian) behavior is reflexively elicited by antecedent stimuli and is controlled by its antecedents rather than its consequences.

Question 76: A free operant observation preference assessment is conducted by:

Asking caregivers to rank the client's preferred items
Presenting pairs of items and recording which is chosen each trial
Presenting items one at a time and recording approach behavior
Allowing the client access to multiple items and recording time spent with each (Correct answer)

Correct answer: Allowing the client access to multiple items and recording time spent with each

Free operant observations allow the client unrestricted access to an array of items and use duration of engagement as the index of preference.

Question 77: In a paired stimulus (PS) preference assessment, a hierarchy is determined by calculating the:

Average duration of engagement with each item
Latency to select each item across all trials
Percentage of trials in which each item was selected (Correct answer)
Number of times each item was approached in 10 minutes

Correct answer: Percentage of trials in which each item was selected

In a PS assessment, each item's preference rank is determined by the percentage of trials in which it was chosen when presented against other items.

Question 78: Which type of functional behavior assessment (FBA) method involves directly manipulating antecedents and consequences to identify the function of a behavior?

Functional analysis (Correct answer)
Descriptive assessment
Indirect assessment
Scatter plot analysis

Correct answer: Functional analysis

A functional analysis involves systematically manipulating antecedents and consequences in controlled conditions to identify the behavioral function.

Question 79: In applied behavior analysis, what is 'shaping'?

Differential reinforcement of successive approximations toward a target behavior (Correct answer)
Using prompts to evoke a behavior
Chaining behaviors together
Reinforcing any instance of a target behavior

Correct answer: Differential reinforcement of successive approximations toward a target behavior

Shaping is the differential reinforcement of successive approximations to a terminal behavior, gradually moving the criterion closer to the desired final form.

Question 80: Which measurement procedure involves recording whether the target behavior occurred at any time during a specified interval?

Momentary time sampling
Event recording
Partial interval recording (Correct answer)
Whole interval recording

Correct answer: Partial interval recording

Partial interval recording involves dividing an observation period into equal intervals and recording whether the target behavior occurred *at any point* during each interval. This method is useful for behaviors that do not have a clear start and end, or for estimating the proportion of time a behavior occurs. It provides an estimate of the behavior's occurrence.

Question 81: Which competency area on the BACB Fifth Edition Task List covers selecting and implementing interventions to address behavioral excesses?

Section B: Concepts and Principles
Section H: Selecting and Implementing Interventions (Correct answer)
Section E: Ethics
Section D: Behavior Change Considerations

Correct answer: Section H: Selecting and Implementing Interventions

Section H of the BACB Fifth Edition Task List addresses selecting, implementing, and evaluating behavior-reduction and behavior-acquisition interventions.

Question 82: In a discrete trial teaching (DTT) format, what is the role of the 'intertrial interval' (ITI)?

The interval used for interval recording
The brief pause between the end of one trial and the start of the next (Correct answer)
The time during which a prompt is faded
The delay before delivering reinforcement

Correct answer: The brief pause between the end of one trial and the start of the next

The intertrial interval (ITI) is the brief period of time between the end of one discrete trial and the beginning of the next, helping to demarcate trials clearly.

Question 83: Which functional behavior assessment (FBA) method involves structured interviews and rating scales without direct observation?

Functional analysis
Indirect assessment (Correct answer)
Direct observation
Descriptive assessment

Correct answer: Indirect assessment

Indirect assessment relies on retrospective reports from caregivers, teachers, or the individual via interviews, questionnaires, or rating scales rather than direct data collection.

Question 84: What measurement dimension captures the elapsed time from the onset of a behavior to its offset?

Latency
Interresponse time
Frequency
Duration (Correct answer)

Correct answer: Duration

Duration measures how long a behavior lasts from its beginning to its end, appropriate for behaviors that have a clear start and stop.

Question 85: What is the defining feature of a mand in Skinner's analysis of verbal behavior?

It is controlled by a nonverbal SD
It specifies its own reinforcer (Correct answer)
It is controlled by a verbal discriminative stimulus
It is an imitative vocal response

Correct answer: It specifies its own reinforcer

A mand is a verbal operant whose form is controlled by a motivating operation and whose reinforcer is specifically related to the relevant motivating operation.

Question 86: Which of the following is an example of positive reinforcement?

A child loss recess time for not following rules.
A teacher scolds a student for talking in class
A Child is given a cookie for completing their homework. (Correct answer)
A student is allowed to skip homework after doing well on a test.

Correct answer: A Child is given a cookie for completing their homework.

Positive reinforcement involves adding a desirable stimulus or event immediately following a behavior, which increases the likelihood that the behavior will occur again in the future. Giving a child a cookie (a desirable stimulus) for completing homework makes it more probable that they will complete their homework again. This strengthens the desired behavior.

Question 87: What is the recommended first step when a supervisor observes that a supervisee is implementing a procedure incorrectly?

Immediately provide specific corrective feedback and retrain the procedure using BST (Correct answer)
Wait until the end of the month supervision meeting to address it
Document the error and file a formal complaint
Remove the supervisee from the case permanently

Correct answer: Immediately provide specific corrective feedback and retrain the procedure using BST

Immediate, specific corrective feedback followed by retraining using BST is the most effective and ethical response to procedural errors observed in supervisees.

Question 88: Which functional analysis condition serves as a control by providing continuous, noncontingent access to preferred items and no demands?

Play/control condition (Correct answer)
Tangible condition
Demand condition
Alone condition

Correct answer: Play/control condition

The play or control condition provides continuous reinforcement and no demands, establishing a baseline of low problem behavior against which other conditions are compared.

Question 89: What is 'parametric analysis' in ABA research?

Conducting a meta-analysis of single-subject studies
Using parametric statistics to analyze group data
Systematically varying the value or magnitude of an independent variable to find the optimal level (Correct answer)
Comparing two different types of reinforcers

Correct answer: Systematically varying the value or magnitude of an independent variable to find the optimal level

Parametric analysis in ABA involves systematically manipulating different values or intensities of an independent variable to determine which level produces the most desirable behavior change.

Question 90: What is the defining characteristic of a 'functional analysis' of behavior?

Systematically manipulating antecedents and consequences to identify the reinforcer(s) maintaining problem behavior (Correct answer)
Observing behavior in natural settings without manipulation
Completing an indirect assessment checklist
Conducting interviews with caregivers about problem behavior

Correct answer: Systematically manipulating antecedents and consequences to identify the reinforcer(s) maintaining problem behavior

A functional analysis directly manipulates antecedent and consequent conditions to experimentally identify the specific reinforcer(s) maintaining problem behavior.

Question 91: What does 'treatment integrity' (also called procedural fidelity) measure in ABA?

The social acceptability of a procedure
Whether the client's behavior changed as expected
The degree to which an intervention is implemented as designed and specified (Correct answer)
The IOA between two observers

Correct answer: The degree to which an intervention is implemented as designed and specified

Treatment integrity (procedural fidelity) measures how accurately and consistently an intervention is implemented according to its written protocol, ensuring changes in behavior can be attributed to the intended procedures.

Question 92: Which document outlines the BACB's supervision structure, requirements, and ethical standards for all certificants providing supervision?

Task List
Ethics Code
RBT Handbook
BACB Supervision Training Curriculum Outline (Correct answer)

Correct answer: BACB Supervision Training Curriculum Outline

The BACB Supervision Training Curriculum Outline specifies the content supervisors must cover when providing 8-hour supervision training to meet BACB standards.

Question 93: What is the term for the process by which a previously reinforced behavior decreases when reinforcement is no longer delivered?

Extinction (Correct answer)
Habituation
Punishment
Satiation

Correct answer: Extinction

Extinction is the withholding of reinforcement for a previously reinforced behavior, resulting in a decrease in that behavior over time.

Question 94: Which of the following is an example of data collection?

Conducting a parent interview
Writing a report on a client's progress
Developing a new teaching strategy
Measuring the frequency of a child's hand-raising in class (Correct answer)

Correct answer: Measuring the frequency of a child's hand-raising in class

Data collection in Applied Behavior Analysis involves systematically measuring and recording observable aspects of behavior. Measuring the frequency of a child's hand-raising in class is a direct and quantifiable way to track a specific behavior. This provides objective information about the behavior's occurrence, which is essential for evaluating interventions.

Question 95: Which data display feature describes the overall direction that data are moving over time (upward, downward, or flat)?

Trend (Correct answer)
Variability
Level
Slope magnitude

Correct answer: Trend

Trend refers to the systematic direction of data over successive data points, indicating whether behavior is generally increasing, decreasing, or staying the same.

Question 96: What is the primary mechanism of functional communication training (FCT)?

Providing noncontingent reinforcement to eliminate the MO
Using extinction alone to reduce problem behavior
Punishing problem behavior and ignoring communication
Teaching a communicative response that produces the same reinforcement as the problem behavior (Correct answer)

Correct answer: Teaching a communicative response that produces the same reinforcement as the problem behavior

FCT replaces problem behavior with a communicative response that contacts the same functional reinforcer, making problem behavior less efficient.

Question 97: Noncontingent reinforcement (NCR) reduces problem behavior primarily by which mechanism?

Increasing response effort for problem behavior
Teaching a replacement behavior
Punishing problem behavior directly
Abolishing the motivating operation for the reinforcer maintaining problem behavior (Correct answer)

Correct answer: Abolishing the motivating operation for the reinforcer maintaining problem behavior

NCR delivers reinforcement on a time-based schedule regardless of behavior, which abolishes the motivating operation for that reinforcer, reducing the problem behavior it was maintaining.

Question 98: What is the primary purpose of a cumulative record in behavior analysis?

To record interobserver agreement
To compare means across conditions
To show latency of individual responses
To show response rate via slope across time (Correct answer)

Correct answer: To show response rate via slope across time

A cumulative record plots the total number of responses over time; the slope of the line directly reflects response rate, making rate changes visually apparent.

Question 99: What does "Extinction" refer to in behavior analysis?

Measuring the frequency of a behavior
Decreasing a behavior by removing reinforcement (Correct answer)
Increasing a behavior through reinforcement
Introducing a new behavior

Correct answer: Decreasing a behavior by removing reinforcement

In behavior analysis, extinction refers to the process of decreasing the future probability of a behavior by consistently withholding or removing the reinforcement that previously maintained it. When a behavior no longer produces its accustomed consequence, it is likely to diminish over time. This is distinct from punishment, which involves adding an aversive stimulus or removing a desirable one.

Question 100: What is the term for the average value of data within a phase, used to summarize overall performance level?

Mode
Range
Mean (mean level) (Correct answer)
Median

Correct answer: Mean (mean level)

The mean (mean level) is the arithmetic average of data points within a phase and serves as a summary statistic of the typical performance level during that phase.

Question 101: Which of the following is an example of a conditioned reinforcer?

Praise (Correct answer)
Sleep
Water
Food

Correct answer: Praise

A conditioned reinforcer is a stimulus that has acquired its reinforcing properties through association with a primary (unconditioned) reinforcer or other conditioned reinforcers. Unlike primary reinforcers like food or water, which are inherently satisfying, praise is learned to be reinforcing through experience. For example, a child learns that praise often accompanies other desirable outcomes.

Question 102: Which recording procedure is most appropriate for measuring a behavior that has a clear beginning and end and does not occur at very high rates?

Event (frequency) recording (Correct answer)
Momentary time sampling
Whole-interval recording
Interval recording

Correct answer: Event (frequency) recording

Event (frequency) recording is most suitable for discrete behaviors with clear onsets and offsets occurring at manageable rates, as each instance is counted individually.

Question 103: According to the BACB, which of the following is a primary responsibility of a supervising BCBA?

Ensuring supervisees develop competencies through feedback, modeling, and ongoing evaluation (Correct answer)
Only reviewing data without direct observation
Delegating all supervision tasks to RBTs
Completing all direct service hours themselves

Correct answer: Ensuring supervisees develop competencies through feedback, modeling, and ongoing evaluation

Supervising BCBAs are responsible for building supervisees' competencies through structured activities, direct observation, feedback, and performance-based evaluation.

Question 104: Which approach to staff management involves identifying and reinforcing specific staff behaviors that produce desired client outcomes?

Punitive management
Trait-based performance management
Behavioral performance management (OBM) (Correct answer)
Mentoring without data

Correct answer: Behavioral performance management (OBM)

Behavioral (OBM) performance management applies ABA principles to staff behavior, targeting observable work behaviors and using reinforcement to increase desired performance.

Question 105: What is the three-term contingency in ABA also known as?

A-B-C contingency (Correct answer)
Stimulus-response-stimulus
Motivating operation chain
S-R chain

Correct answer: A-B-C contingency

The three-term contingency is the Antecedent–Behavior–Consequence (A-B-C) relationship that defines how behavior is influenced by its context and outcomes.

Question 106: Which preference assessment method presents items one at a time and measures the client's approach response to each item?

Single stimulus assessment (Correct answer)
Free operant observation
Multiple stimulus without replacement (MSWO)
Paired stimulus (forced choice) assessment

Correct answer: Single stimulus assessment

The single stimulus (single item) preference assessment presents one item at a time and measures whether the client approaches or engages with it.

Question 107: Which differential reinforcement procedure reinforces a behavior that is physically incompatible with the problem behavior?

DRI (Correct answer)
DRO
DRL
DRA

Correct answer: DRI

Differential reinforcement of incompatible behavior (DRI) reinforces a behavior that cannot occur at the same time as the problem behavior.

Question 108: What is 'replication' in single-subject research and why is it critical?

Using the same data sheet across studies; it ensures consistency
Conducting the study in multiple settings; it ensures generalization
Repeating the baseline phase; it controls for maturation
Demonstrating the same effect within and across participants; it establishes generality and experimental control (Correct answer)

Correct answer: Demonstrating the same effect within and across participants; it establishes generality and experimental control

Replication — both within a study and across independent studies — is the primary means of establishing experimental control and determining the generality of findings in single-subject research.

Question 109: Which of the following is a limitation of using caregiver interviews to identify preferred stimuli?

Interviews cannot be completed quickly in applied settings
Interviews require direct observation of the client for at least 30 minutes
Caregiver reports may not accurately reflect the client's current preferences (Correct answer)
Caregiver interviews can only identify tangible reinforcers

Correct answer: Caregiver reports may not accurately reflect the client's current preferences

Caregiver interviews are an indirect method that relies on the caregiver's perception, which may be outdated or inaccurate regarding the client's current preferences.

Question 110: A behavior analyst uses an 'ABAB' design but finds the behavior does not reverse during the second A phase. What is the most likely reason?

The behavior has come under the control of natural reinforcers and is no longer dependent on the intervention (Correct answer)
The dependent variable was not operationally defined
The baseline was too long
Interobserver agreement was too low

Correct answer: The behavior has come under the control of natural reinforcers and is no longer dependent on the intervention

Failure to reverse during the return-to-baseline phase often indicates the behavior has contacted natural contingencies that now maintain it independently of the original intervention.

Question 111: Which condition in a standard Iwata et al. functional analysis tests whether the behavior is maintained by escape from demands?

Attention condition
Alone condition
Demand/task condition (Correct answer)
Play/control condition

Correct answer: Demand/task condition

The demand (task) condition presents academic or work tasks and delivers brief escape from tasks contingent on problem behavior, testing whether escape is the maintaining consequence.

Question 112: In behavior-analytic research, 'visual analysis' of graphed data involves examining which three primary features?

Level, trend, and variability (Correct answer)
Slope, intercept, and variance
Frequency, duration, and latency
Mean, median, and mode

Correct answer: Level, trend, and variability

Visual analysis examines level (average performance), trend (direction of data), and variability (scatter of data) within and between phases to evaluate intervention effects.

Question 113: Which type of validity concerns whether an experiment demonstrates that the independent variable, not extraneous variables, caused the observed changes in the dependent variable?

Construct validity
External validity
Social validity
Internal validity (Correct answer)

Correct answer: Internal validity

Internal validity refers to the degree of confidence that changes in the dependent variable were caused by the independent variable and not by confounding or extraneous factors.

Question 114: Social validity assessment in ABA research addresses which three dimensions proposed by Wolf (1978)?

Rate, duration, and latency
Antecedents, behaviors, and consequences
Reliability, validity, and generalization
Goals, procedures, and outcomes (Correct answer)

Correct answer: Goals, procedures, and outcomes

Wolf (1978) proposed that social validity should assess whether the goals, procedures, and outcomes of an intervention are acceptable and meaningful to consumers and society.

Question 115: During an indirect FBA, a behavior analyst interviews a teacher about a student's problem behavior. This method is considered indirect because:

It relies on secondhand reports rather than direct observation (Correct answer)
It measures behavior using permanent product recording
It uses structured observation in the natural environment
It involves analog conditions in a clinic

Correct answer: It relies on secondhand reports rather than direct observation

Indirect assessments gather information through interviews, rating scales, or questionnaires rather than direct observation of the behavior.

Question 116: What is the term for removing an aversive stimulus following a behavior to increase its future frequency?

Positive punishment
Positive reinforcement
Negative reinforcement (Correct answer)
Negative punishment

Correct answer: Negative reinforcement

Negative reinforcement involves the removal of an aversive stimulus contingent on a behavior, which increases or maintains that behavior's future frequency.

Question 117: What term describes the phenomenon in which increasing behavior in one situation is accompanied by a decrease in another situation due to differential reinforcement?

Generalization decrement
Response induction
Behavioral contrast (Correct answer)
Extinction burst

Correct answer: Behavioral contrast

Behavioral contrast occurs when a change in reinforcement conditions in one component of a multiple schedule produces an opposite change in responding in the other component.

Question 118: Which measurement dimension is defined as the time elapsed between the onset of a stimulus and the initiation of a response?

Interresponse time
Magnitude
Duration
Latency (Correct answer)

Correct answer: Latency

Latency is the elapsed time between the onset of an antecedent stimulus and the start of the target response.

Question 119: What is the term for the decrease in responding that occurs during the interval following reinforcement on a fixed interval schedule?

Ratio strain
Behavioral contrast
Post-reinforcement pause (Correct answer)
Extinction burst

Correct answer: Post-reinforcement pause

The post-reinforcement pause is the period of little or no responding that occurs immediately after reinforcement delivery on fixed interval and fixed ratio schedules.

Question 120: Which procedure delivers reinforcement for progressively lower rates of a behavior, aiming to reduce but not eliminate it?

DRI
DRO
DRL (Correct answer)
DRA

Correct answer: DRL

Differential reinforcement of low rates (DRL) delivers reinforcement when a behavior occurs fewer times than a criterion within an interval, reducing but not eliminating the behavior.

Question 121: A BCBA is training a new RBT and uses BST. After modeling the procedure, the BCBA should do what next?

Provide written instructions for the RBT to study independently
Have the RBT rehearse the procedure and then provide specific performance feedback (Correct answer)
Schedule a follow-up observation in two weeks
Move on to the next skill in the training curriculum

Correct answer: Have the RBT rehearse the procedure and then provide specific performance feedback

Following modeling in BST, the trainee rehearses the skill (role-play or in vivo practice) and the trainer delivers specific, immediate performance feedback to shape accurate implementation.

Question 122: Which IOA calculation method divides each observation session into smaller intervals and calculates agreement interval by interval?

Proportional IOA
Total count IOA
Mean count per interval IOA
Exact count per interval IOA (Correct answer)

Correct answer: Exact count per interval IOA

Exact count per interval IOA requires both observers to record the same count within each interval, making it the most stringent of the count-based IOA methods.

Question 123: A behavior analysist is asked to provide services in an area outside of their competency. What is the most ethical course of action?

Accept the case and learn as they go.
Refer the client to a colleague who has the necessary expertise. (Correct answer)
Decline the case without providing any referral
Accept the case but provide minimal services.

Correct answer: Refer the client to a colleague who has the necessary expertise.

Practicing outside one's area of competency without proper support is an ethical violation under the BACB code, so the correct action is to refer the client to a qualified colleague. Accepting the case and learning on the job, or providing minimal services, puts the client at risk. Declining without a referral leaves the client without needed support, which is also ethically insufficient.

Question 124: The primary advantage of the Multiple Stimulus Without Replacement (MSWO) assessment over the paired stimulus assessment is that it:

Identifies the function of escape-maintained behavior
Requires fewer trials to complete the preference hierarchy (Correct answer)
Can be used with clients who have severe motor impairments
Is more accurate at identifying high-preference items

Correct answer: Requires fewer trials to complete the preference hierarchy

The MSWO requires fewer trials than the paired stimulus assessment because items are removed after selection, reducing the total number of comparisons needed.

Question 125: What is the key feature of a 'time delay' prompting procedure?

Adding a pause between the SD and a controlling prompt to allow the learner to respond independently (Correct answer)
Presenting the most intrusive prompt immediately after the SD
Using errorless teaching with no delay
Fading the physical properties of a prompt

Correct answer: Adding a pause between the SD and a controlling prompt to allow the learner to respond independently

Time delay inserts a brief pause between the SD and the controlling prompt, giving the learner an opportunity to respond independently before the prompt is delivered.

Board Certified Behavior Analyst (BCBA) Examination

The BCBA examination is a criterion-referenced test that assesses mastery of applied behavior analysis across nine content domains, including foundational concepts, measurement, ethical practice, behavior assessment, behavior-change procedures, and personnel supervision.

185

Questions

240 min

Time Limit

70%

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