BAS BAS Data Collection and Analysis

Question 1

Which data collection method involves recording whether a target behavior occurred at least once during a specified time interval?

Accepted Answer

Partial-interval recording

Answer

Whole-interval recording

Answer

Momentary time sampling

Answer

Continuous event recording

Question 2

A behavior analyst supervisor reviews a trainee's frequency data and notices a bimodal distribution. What does this most likely suggest?

Accepted Answer

Two distinct conditions or antecedents may be influencing the behavior

Answer

The data contain measurement error only

Answer

The behavior is occurring at a constant rate

Answer

The trainee used duration recording incorrectly

Question 3

Which visual analysis feature refers to the consistency of data points within a phase of a graph?

Accepted Answer

Variability

Answer

Level

Answer

Trend

Answer

Overlap

Question 4

When a supervisor trains staff on interobserver agreement (IOA), which formula is most appropriate for low-frequency behaviors measured with event recording?

Accepted Answer

Exact agreement IOA

Answer

Total count IOA

Answer

Interval-by-interval IOA

Answer

Trial-by-trial agreement

Question 5

A supervisor notices that data collected by one staff member consistently trend upward regardless of the intervention phase. This is an example of which measurement problem?

Accepted Answer

Observer drift

Answer

Reactivity

Answer

Floor effect

Answer

Ceiling effect

Question 6

In a multiple-baseline design, a supervisor needs to determine when to introduce the intervention to the second tier. What is the primary criterion?

Accepted Answer

The first tier demonstrates stable and improved data following intervention

Answer

The first tier shows a counter-therapeutic trend

Answer

A fixed number of sessions have elapsed in baseline

Answer

The second tier baseline is exactly equal in length to the first