Practice question
Concepts and Principles

Stimulus discrimination examples: Stimulus control, discrimination, and generalization.

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

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Question

Difficulty: medium. Skill: apply. Type: concept discrimination.

Student responds differently when the antecedent, consequence, or learning history changes. Which concept from stimulus discrimination examples is most relevant? The case file includes 2 recent sessions, 2 implementers, and 3 settings.

A
Base the decision on the descriptive label for calling out during independent work and bypass stimulus discrimination examples
B
Analyze the antecedent conditions and whether responding occurs across trained and untrained stimuli in relation to student's calling out during independent work

Correct answer

C
Use a familiar protocol even though it does not address stimulus control, discrimination, and generalization
D
Rely on teacher's report alone and stop collecting direct evidence

Explanation

Answer B

The clue is the combination of frequency data that vary from 3 to 11 responses per session, calling out during independent work, and the required task: Stimulus discrimination examples. The case file includes 2 recent sessions, 2 implementers, and 3 settings. Analyze the antecedent conditions and whether responding occurs across trained and untrained stimuli in relation to student's calling out during independent work is best because it answers that clue through stimulus control, discrimination, and generalization 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 frequency data that vary from 3 to 11 responses per session, calling out during independent work, and the required task: Stimulus discrimination examples. The case file includes 2 recent sessions, 2 implementers, and 3 settings.

Trap
Common trap

This is weaker because the label does not answer the Stimulus discrimination examples decision point or test Stimulus control, discrimination, and generalization.

Next
If you missed it, review Motivating operations versus discriminative stimuli

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

Why the other choices are weaker

A
Choice A

This is weaker because the label does not answer the Stimulus discrimination examples decision point or test Stimulus control, discrimination, and generalization.

C
Choice C

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

D
Choice D

Stakeholder input matters, but direct data, context, and integrity checks are still needed for a defensible answer.

Study tags

Stimulus control, discrimination, and generalizationStimulus discrimination examplesstimulus controldiscrimination

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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 Concepts and Principles. It also includes study tags for Stimulus control, discrimination, and generalization, Stimulus discrimination examples, stimulus control, 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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