Practice question
Behavior-Change Procedures

Trial-based and free-operant procedures: Discrimination and stimulus-control teaching procedures.

Original BCBA scenario practice question with answer explanation and wrong-choice notes.

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Question

Difficulty: easy. Skill: recognize. Type: applied scenario.

Learner is learning requesting help, but performance changes depending on prompts and consequences. Which procedure best fits trial-based and free-operant procedures? The case file includes 12 recent sessions, 2 implementers, and 4 settings.

A
Treat the most recent data point as proof of the final conclusion
B
Base the decision on the descriptive label for leaving the instructional area and bypass trial-based and free-operant procedures
C
Arrange teaching trials so the relevant antecedent controls the response and errors can be corrected in relation to learner's requesting help

Correct answer

D
Use a familiar protocol even though it does not address discrimination and stimulus-control teaching procedures

Explanation

Answer C

The clue is the combination of four sessions of stable baseline data followed by two overlapping intervention points, leaving the instructional area, and the required task: Trial-based and free-operant procedures. The case file includes 12 recent sessions, 2 implementers, and 4 settings. Arrange teaching trials so the relevant antecedent controls the response and errors can be corrected in relation to learner's requesting help is best because it answers that clue through discrimination and stimulus-control teaching procedures instead of treating the scenario as a generic behavior problem. On exam items like this, name the decision point first, then eliminate options that rely on one report, a label, a familiar protocol, or an action that skips the relevant data check.

Why this question is hard

Clue
Key scenario clue

The clue is the combination of four sessions of stable baseline data followed by two overlapping intervention points, leaving the instructional area, and the required task: Trial-based and free-operant procedures. The case file includes 12 recent sessions, 2 implementers, and 4 settings.

Trap
Common trap

A single point rarely supports a strong conclusion without considering trend, variability, and context.

Next
If you missed it, review Discrimination and stimulus-control teaching procedures

Then answer a few related scenarios before moving back to broad practice.

Why the other choices are weaker

A
Choice A

A single point rarely supports a strong conclusion without considering trend, variability, and context.

B
Choice B

This is weaker because the label does not answer the Trial-based and free-operant procedures decision point or test Discrimination and stimulus-control teaching procedures.

D
Choice D

A familiar protocol is not enough unless it matches the assessed variables and the current decision question.

Study tags

Discrimination and stimulus-control teaching proceduresTrial-based and free-operant proceduressimple discriminationconditional discrimination

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Related study guides

GuideDistractor patternsUse this if the wrong answer sounded plausible.GuideMissed-question reviewUse this if you want to turn the miss into a study rule.GuideScore plateau guideUse this if similar mistakes keep repeating.

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Question FAQ

What BCBA domain does this question cover?

This practice question is tagged to Behavior-Change Procedures. It also includes study tags for Discrimination and stimulus-control teaching procedures, Trial-based and free-operant procedures, simple discrimination, conditional discrimination.

How should I review this practice question?

Answer the scenario before reading the explanation, compare your reasoning with the correct answer, then review why the distractors are weaker.

Is this an official BACB exam question?

No. This is an original study question for BCBA Scenario Tutor and is not an official BACB exam item.

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