Free BACB BCABA Exam Questions

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Total 272 Questions | Updated On: May 24, 2026

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Question 1

A behavior analyst is conducting research on the accuracy of a student's responding to written math problems based on the final answer with no scoring of intermediate calculations. Which is the BEST method for obtaining accurate inter-observer agreement results?

A : Researcher and observer sit together to score the student's work.

B : Photocopies of the student's work are scored independently by researcher and observer.

C : The student's scratch paper is scored if researcher and observer do not agree on a response.

D : Researcher scores the student's work and the observer reviews the researcher's scores for accuracy.

Answer: B

Question 2

What best defines a discriminative stimulus?

A : It always elicits a response.

B : It is defined by its effect on behavior.

C : It is established using either operant or respondent procedures.

D : It is any change in the environment.

Answer: B

Question 3

Considering the potential impact of behavioral contrast, what is a likely outcome when there is an effective program targeting compliance at school when no formal program is implemented at home? Compliance at home would be predicted to:

A : be more variable.

B : decrease.

C : increase.

D : stay the same.

Answer: B

Question 4

Larry engages in self-injurious behavior which is maintained by automatic reinforcement. This behavior results in abrasions on both of his arms as a result of intense scratching. The behavior analyst decides to have Larry only wear long sleeved shirts as an initial effort to reduce the behavior. This is an example of which type of procedure?

A : extinction

B : deprivation

C : punishment

D : differential reinforcement

Answer: A

Question 5

What does this graph depict?

A : current level and data path of the response measure

B : current level, data path, and stability of the response measure

C : data path, average level, and variability of the response measure

D : data path, trend, and variability of the response measure

Answer: D

Page: 1 / 55

Total 272 Questions | Updated On: May 24, 2026

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