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BCABA BACB Board Certified Assistant Behavior Analyst Free Practice Exam Questions (2025 Updated)

Prepare effectively for your BACB BCABA Board Certified Assistant Behavior Analyst certification with our extensive collection of free, high-quality practice questions. Each question is designed to mirror the actual exam format and objectives, complete with comprehensive answers and detailed explanations. Our materials are regularly updated for 2025, ensuring you have the most current resources to build confidence and succeed on your first attempt.

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Total 272 questions

A person "getting wet" in the rain is NOT considered an occurrence of behavior because "getting wet"

A.

does not specify an interaction between an organism and its environment.

B.

can occur under only one, very specific environmental condition.

C.

is a hypothetical construct and cannot therefore meet the criteria for an occurrence of behavior.

D.

does not have social or clinical significance in a science of human behavior.

The rehabilitation therapist wants to determine if the sensory integration sessions are helping to reduce Ed's hand-slapping. What is the BEST method for recording momentary time-sampling data?

A.

Fifteen-minute observation periods are divided into 3-minute intervals. Staff then record whether or not hand-slapping is occurring at the end of each 3-minute interval.

B.

Twenty-minute observation periods are divided into 10-minute intervals. Staff then record whether or not hand-slapping is occurring during each 10-minute interval.

C.

Thirty-minute observation periods are divided into 2-minute intervals. Staff then record whether or not hand-slapping occurs at any moment during each 2-minute interval.

D.

One-hour observation periods are divided into 10-minute intervals. Staff then record whether or not hand-slapping occurs at all during each 10-minute interval.

For which of the following would it be appropriate to measure duration?

A.

Amy responds very slowly to instructions during her discrete trials teaching sessions.

B.

Ethan leaves his work station and wanders around the building.

C.

Sarah takes so long to begin her math assignments in class that she is never able to finish on time.

D.

Ryan is trying to increase the speed of his typing at the computer keyboard.

When demands are placed on Raoul, he is often observed to hit his head, bite his hand, or slap the therapist. These behaviors are reinforced by termination of the demands. Taken together, these behaviors comprise

A.

an establishing operation.

B.

a functional response class.

C.

respondent behaviors.

D.

a topographical response class.

After collecting baseline data and verifying the hypothesis, which of the following is the BEST approach to use when selecting behavior change procedures?

A.

Ask professionals in the individual's environment to list procedures to address the unique circumstances involved.

B.

Use a procedure that has previously been found to be socially valid based on staff evaluations.

C.

Limit selection to behavior change procedures that are consistent with those documented in the behavioral literature.

D.

Review all journals containing procedures that may apply to the behavior targeted for change.

A colleague who is friends with one of a behavior analyst's clients asks the behavior analyst during a break at a local peer review meeting how the case is going. The behavior analyst should

A.

ask the colleague if the client has given permission to discuss the case.

B.

inform the colleague that he can't discuss this and change the subject.

C.

discuss the case in hypothetical terms without using the client's name.

D.

provide a minimum amount of information so that the colleague can assist him.

Fara has identified two procedures that have an equal probability of being effective. In order to select the better procedure, she should

A.

choose the procedure that falls within the staff's level of competence.

B.

determine which procedure is most clinically popular based on the rate of use by professionals.

C.

select the procedure that best utilizes the existing funding stream.

D.

use a random number table to rule out bias.

Which of the following would BEST contribute to a behavior analyst’s professional development?

A.

attending a workshop that provides videotaped examples and practice activities for innovative interventions

B.

reading articles from a peer-reviewed applied behavior analysis journal that describe techniques that are applicable to her client population

C.

becoming a member of the Association for Behavior Analysis International, which is a rich resource for behavior analysts

D.

contributing an article to the newsletter of the local Association for Behavior Analysis chapter

The PRIMARY advantage of using a multiple baseline design across subjects is that:

A.

an intervention may be applied to more than one individual.

B.

experimental control can be demonstrated without a reversal.

C.

it is the most effective method for establishing functional relations.

D.

more individuals benefit from the effects of an intervention.

Contingency-shaped behavior is:

A.

based on phylogeny, whereas rule-governed behavior is based on ontogeny.

B.

established as a function of relations among unconditioned stimuli, a response class, and reinforcement.

C.

more resistant to extinction than rule-governed behavior.

D.

established as the result of a person's experience.

A behavior analyst is conducting a communication training session with a child. The behavior analyst says to the child, "Say your name." The child says, "Sarah." and the behavior analyst delivers a reinforcer. What type of verbal operant was the behavior analyst's statement?

A.

echoic

B.

mand

C.

prompt

D.

tact

Jim's teacher has taught him to say, "Hello, how are you?" and when he does this, she delivers praise. Now Jim says this whenever he meets anyone, and some people say,

"Fine, how are you?" What is the natural consequence for Jim's behavior?

A.

increased number of friends

B.

continuous reinforcement

C.

improved social repertoire for Jim

D.

the responses of the people he meets

This graph BEST exemplifies:

A.

clear demonstration of an effective intervention.

B.

a decrease in variability due to the intervention.

C.

a change in the level between baseline and intervention phases.

D.

a change in the trend between baseline and intervention phases.

Jamie and Morgan have similar behavior challenges and similar daily schedules. A behavior analyst has spent extensive time and effort on developing and implementing Morgan's plan, which is proving to be very successful. How should the behavior analyst proceed with developing a treatment plan for Jamie?

A.

Because the behaviors are topographically similar, implementing the plan designed for Morgan would be appropriate as it is the least restrictive option.

B.

Complete a separate functional assessment and plan for Jamie.

C.

Use the same plan for both, just ensure the ecological variables correspond to the student.

D.

Do a separate functional analysis, but the same behavior supports can be applied to both students.

The behavior analyst has had good results with an intervention she designed that makes access to video games contingent upon playing with other children. She now wants to compare the effects of differing amounts of video game access time. She should conduct a

A.

changing criterion study.

B.

nonparametric study.

C.

parametric study.

D.

reversal study.

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

Sue consults with her supervisor to be certain her procedures are conceptually systematic. Conceptually systematic procedures are

A.

based on empirical evidence of their effectiveness.

B.

derived from experimental analysis of similar behavior in the field.

C.

identifiers of functional relations between a behavioral dimension and an environmental event.

D.

linked to and described in terms of the basic principles of behavior.

Frequency would be the MOST appropriate measure for which scenario?

A.

The behavior analyst wants to reduce the number of times Jack hits Jill.

B.

Jack wants his employees to increase the number of kits made in one hour.

C.

Jack's parents want him to reduce his persistent hand flapping.

D.

Jill wants to increase her son's compliance with room-cleaning requests.

Echoic behavior is controlled by a

A.

non-verbal stimulus, the response matches that stimulus, and reinforcer is specific.

B.

verbal stimulus, the response matches that stimulus, and reinforcer is non-specific.

C.

verbal stimulus, the response matches that stimulus, and reinforcer is specific.

D.

verbal stimulus, the response does not match that stimulus, and reinforcer is non-specific.

When setting criteria for behavior change, behavior analysts attempt to implement the simplest mode of intervention necessary to elicit the desired outcome. As such, the identified outcome criteria should be

A.

applied to ecological assessments to generalize skills.

B.

developed prior to the identified intervention.

C.

initially broad in focus with subsequent reduction to a target response.

D.

measured independent of practice effects or reactivity.

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