200+ Free RBT Practice Questions

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During a structured ABC observation, the RBT is asked to record the antecedent, behavior, and consequence for every instance of a target behavior. Which of the following BEST describes the RBT's role in this structured observation?

Interpret the function of the behavior and document it in the ABCs column

Objectively record what occurs immediately before the behavior, the behavior itself, and what immediately follows, without interpreting function

Deliver reinforcement on a variable ratio schedule while recording behavior

Skip antecedent recording and focus only on consequence data to save time

to track

2026 Statistics

Key Facts: RBT Exam

Total Questions

BACB RBT Handbook

75 + 10

Scored + Unscored

BACB RBT Handbook

90 min

Time Limit

BACB RBT Handbook

Exam Domains

RBT TCO 3rd ed.

$110

Application + Exam Fees

BACB RBT Handbook

Attempts in 12-Month Approval Window

RBT 2026 transition guidance

The current RBT exam uses the BACB RBT Test Content Outline (3rd ed.) beginning in 2026. It has 85 total multiple-choice questions, including 75 scored and 10 unscored questions, with a 90-minute limit and in-person Pearson VUE delivery. The six scored domains are Data Collection and Graphing 17%, Behavior Assessment 11%, Behavior Acquisition 25%, Behavior Reduction 19%, Documentation and Reporting 13%, and Ethics 15%. Core eligibility includes age 18+, high school diploma or equivalent, 40-hour training, Initial Competency Assessment, BACB application approval, and required supervision structure.

Sample RBT Practice Questions

Try these sample questions to test your RBT exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 200+ question experience with AI tutoring.

1An RBT is recording every instance of a child saying a word during a 30-minute session. Which measurement system is being used?

A.Momentary time sampling

B.Whole interval recording

C.Frequency (event) recording

D.Duration recording

Explanation: Frequency (event) recording involves counting each discrete occurrence of a behavior as it happens. It is best used with behaviors that have a clear beginning and end. Momentary time sampling and interval recording only sample behavior at specific points or intervals rather than capturing every occurrence.

2An RBT starts a timer when the supervisor gives a "clean up toys" instruction and stops the timer when the client begins picking up a toy. Which measurement dimension is being recorded?

A.Duration

B.Latency

C.Interresponse time

D.Rate

Explanation: Latency measures the elapsed time between the onset of an antecedent stimulus (the instruction) and the beginning of the response. Duration measures how long a behavior lasts from start to finish, while interresponse time measures the time between two consecutive responses of the same behavior.

3A supervisor asks an RBT to record data during a 20-minute observation by checking whether a target behavior is occurring exactly at the end of each 2-minute interval. Which procedure is the RBT using?

A.Whole interval recording

B.Partial interval recording

C.Momentary time sampling

D.Frequency recording

Explanation: Momentary time sampling requires the observer to check whether the behavior is occurring at the exact moment each interval ends. Whole interval recording scores a behavior only if it occurs throughout the entire interval, and partial interval recording scores a behavior if it occurs at any point during the interval.

4After a session, an RBT counts the number of math problems a student completed correctly on a worksheet. This is an example of which data collection method?

A.Duration recording

B.Partial interval recording

C.Permanent product recording

D.Latency recording

Explanation: Permanent product recording involves measuring the tangible outcomes or results of behavior rather than observing the behavior directly. Counting completed worksheets, assembled items, or written answers are classic examples. This method is convenient because data can be collected after the behavior has occurred.

5An RBT recorded the following frequency data for vocal stereotypy across five sessions: 12, 15, 10, 8, 6. Which trend best describes this data path?

A.Ascending (increasing) trend

B.Descending (decreasing) trend

C.Variable trend with no clear direction

D.Flat (stable) trend

Explanation: A descending trend means the data values are consistently moving downward over time. The sequence 12, 15, 10, 8, 6 shows an overall downward direction despite the slight increase at session 2, making descending the best descriptor. For a behavior targeted for reduction, a descending trend is the desired outcome.

6An RBT recorded 8 occurrences of hand-flapping during a 20-minute session. What is the rate of hand-flapping per minute?

A.0.4 per minute

B.1.6 per minute

C.2.5 per minute

D.160 per minute

Explanation: Rate is calculated by dividing the frequency count by the total observation time: 8 ÷ 20 = 0.4 occurrences per minute. Rate is the preferred measure when observation periods vary in length because it allows fair comparison across sessions of different durations.

7Two RBTs simultaneously and independently recorded the frequency of self-injurious behavior during a 10-minute observation. RBT 1 recorded 20 occurrences and RBT 2 recorded 16 occurrences. Using the smaller-over-larger method, what is the inter-observer agreement (IOA) percentage?

A.60%

B.72%

C.80%

D.90%

Explanation: The smaller-over-larger (total count) IOA formula divides the smaller count by the larger count and multiplies by 100: (16 ÷ 20) × 100 = 80%. IOA of 80% or higher is generally considered acceptable. IOA checks are conducted regularly to ensure data quality and observer consistency.

8A supervisor reviews a graph of a client's on-task behavior and sees that data points over the last two weeks range from 20% to 85% with no consistent direction. The supervisor asks the RBT to examine possible causes. Which term BEST describes this data pattern, and what is one common reason for it?

A.Stable trend; the behavior has plateaued due to effective intervention

B.Ascending trend; the intervention is beginning to work

C.Variable trend; inconsistent implementation of the intervention procedure may be contributing

D.Descending trend; extinction is causing a temporary increase in variability

Explanation: High variability (wide swings in data without a clear direction) is described as a variable trend and often signals inconsistent treatment implementation, changes in client health or motivation, or procedural drift. When variability is high, supervisors investigate procedural fidelity before drawing conclusions about intervention effectiveness.

9A supervisor asks an RBT to present a client with two food items at a time, record which one the client selects, remove it, and then pair each remaining item with every other remaining item. Which preference assessment is the RBT conducting?

A.Free operant observation

B.Single stimulus presentation

C.Paired stimulus (forced choice) assessment

D.Multiple stimulus without replacement (MSWO)

Explanation: The paired stimulus (forced choice) assessment presents items two at a time; the selected item is removed and the remaining items are systematically paired until a preference hierarchy is established. MSWO presents all items simultaneously and removes the chosen item before re-presenting the remaining items. Free operant observation simply tracks what the client naturally contacts in an unrestricted environment.

10An RBT is asked to place five preferred items on a table, allow the client to choose one, remove the chosen item, shuffle the remaining items, and repeat until all items have been chosen. Which preference assessment method is this?

A.Multiple stimulus without replacement (MSWO)

B.Paired stimulus (forced choice)

C.Free operant observation

D.Single stimulus presentation

Explanation: Multiple Stimulus Without Replacement (MSWO) presents an array of items simultaneously, removes the chosen item after each selection, reshuffles the remaining items, and continues until all items have been selected or a set number of trials is complete. This produces a preference hierarchy more efficiently than the paired stimulus method.

About the RBT Exam

The RBT exam assesses entry-level behavior technician knowledge for implementing ABA services under close supervision. The 2026 exam is based on the RBT Test Content Outline (3rd ed.) and covers data collection, behavior assessment, behavior acquisition, behavior reduction, documentation, reporting, ethics, and supervision-aware practice.

Assessment

85 total multiple-choice questions: 75 scored and 10 unscored; each item has 4 options and 1 correct answer

Time Limit

90 minutes

Passing Score

BACB scaled passing score

Exam Fee

$110 initial BACB/Pearson VUE fees: $65 application + $45 exam appointment (BACB / Pearson VUE)

RBT Exam Content Outline

17%

Data Collection and Graphing

Continuous measurement, discontinuous measurement, permanent product recording, data entry, graphing, observable definitions, data summaries, trends, and fidelity risks.

11%

Behavior Assessment

Preference assessments, skill assessment participation, and functional assessment procedure support under supervisor direction.

25%

Behavior Acquisition

Reinforcement, conditioned reinforcers, discrete-trial teaching, naturalistic teaching, chaining, discrimination training, prompting and fading, generalization, maintenance, shaping, and token economies.

19%

Behavior Reduction

Common behavior functions, antecedent interventions, differential reinforcement, extinction, punishment procedures, secondary effects, and crisis or emergency procedures.

13%

Documentation and Reporting

Timely supervisor communication, intervention-team concerns, clinical direction, data irregularities, variables affecting progress, and objective session communication.

15%

Ethics

Core ethics principles, competence, supervision, effective feedback practices, confidentiality, public statements, multiple relationships, gifts, professional skills, and cultural humility.

How to Pass the RBT Exam

What You Need to Know

Passing score: BACB scaled passing score
Assessment: 85 total multiple-choice questions: 75 scored and 10 unscored; each item has 4 options and 1 correct answer
Time limit: 90 minutes
Exam fee: $110 initial BACB/Pearson VUE fees: $65 application + $45 exam appointment

Keys to Passing

Complete 500+ practice questions
Score 80%+ consistently before scheduling
Focus on highest-weighted sections
Use our AI tutor for tough concepts

RBT Study Tips from Top Performers

1Treat RBT as supervised implementation: follow the written plan, collect accurate data, and ask the supervisor when direction is unclear.

2Drill measurement differences until you can choose frequency, duration, latency, IRT, interval recording, MTS, and permanent product from short scenarios.

3Study behavior acquisition and behavior reduction together so you can distinguish teaching a replacement skill from reducing interfering behavior.

4Use objective language in every documentation scenario: describe observable behavior, environmental events, data, deviations, and supervisor notifications.

5Practice ethics and supervision rules directly from BACB materials because RBT scope and confidentiality boundaries are frequent decision points.

Frequently Asked Questions

How many questions are on the RBT exam?

The BACB RBT Handbook lists 85 total multiple-choice questions: 75 scored questions and 10 unscored questions. Candidates have 90 minutes.

What content outline is the current RBT exam based on?

The current RBT exam is based on the RBT Test Content Outline (3rd ed.), which began in 2026 and includes 43 tasks across six domains.

What are the RBT domain weights?

The 75 scored questions are distributed as Data Collection and Graphing 17%, Behavior Assessment 11%, Behavior Acquisition 25%, Behavior Reduction 19%, Documentation and Reporting 13%, and Ethics 15%.

What are the RBT eligibility requirements?

BACB RBT applicants must be at least 18, have a high school diploma or equivalent, complete the required 40-hour training, complete the Initial Competency Assessment after training, apply through BACB, pass the exam, and maintain required supervision to practice.

How much does the RBT exam path cost?

The 01/2026 RBT Handbook lists a $65 RBT Certification Application fee and a $45 RBT Examination Appointment fee, for $110 in BACB/Pearson VUE fees before optional training or prep costs.

How many times can I retake the RBT exam?

BACB transition guidance states candidates may take the RBT examination up to 8 times within the 12 months after initial examination approval. The handbook states a failed candidate may retake no sooner than 7 days after the prior attempt.