BCBA - Board Certified Behavior Analyst Measurement and Data Interpretation Questions and Answers

Question 1

A behavior analyst is monitoring the on-task behavior of a student during a 30-minute independent work period.
The analyst decides to record whether the student is engaged in the assigned task for the entire 2-minute interval.
Which discontinuous measurement procedure is being used?

Accepted Answer

Whole Interval Recording

Answer

Partial Interval Recording

Answer

Momentary Time Sampling

Answer

Latency Recording

Question 2

When visually analyzing a line graph of behavior data, what does 'level' refer to?

Accepted Answer

The value on the vertical axis around which a set of behavioral measures converge.

Answer

The degree of fluctuation or scatter of the data points around the mean.

Answer

The overall direction taken by the data path.

Answer

The point at which the intervention was introduced.

Question 3

A BCBA is calculating interobserver agreement (IOA) for frequency data collected on a client's manding behavior. Observer A recorded 8 mands, and Observer B recorded 10 mands during the same observation period. Using the total count IOA formula, what is the IOA percentage?

Accepted Answer

80%

Answer

88%

Answer

125%

Answer

90%

Question 4

Which of the following is a primary advantage of using a continuous measurement procedure over a discontinuous measurement procedure?

Accepted Answer

It provides a complete and accurate record of every instance of the target behavior.

Answer

It is more efficient when observing multiple behaviors or individuals simultaneously.

Answer

It is less labor-intensive for the observer.

Answer

It is best suited for high-rate behaviors that are difficult to count individually.

Question 5

A behavior analyst is reviewing a client's data for self-injurious behavior (SIB) following the implementation of a new intervention. During baseline, the rate of SIB was high and stable. After the intervention, the data path shows a clear and immediate downward direction. This change in the data path BEST describes a change in:

Accepted Answer

Trend

Answer

Variability

Answer

Level

Answer

Reliability

Question 6

For which of the following situations would partial interval recording be the most appropriate measurement procedure?

Accepted Answer

To determine if a behavior occurred at any point during an interval for a behavior targeted for reduction.

Answer

To measure the total time a student spends engaged in a task.

Answer

To record if a student was on-task for an entire 5-minute period.

Answer

To get an exact count of the number of times a student raises their hand.