Practice question
Behavior Assessment

Cultural variables in assessment: Internal validity and confounds.

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

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Question

Difficulty: medium. Skill: apply. Type: applied scenario.

Before selecting a goal for client, the BCBA needs information related to cultural variables in assessment. What should happen next? The case file includes 4 recent sessions, 1 implementer, and 4 settings.

A
Rely on caregiver's report alone and stop collecting direct evidence
B
Change the intervention immediately based on the concern alone
C
Continue unchanged and ignore the new contextual information
D
Identify the competing explanation and strengthen experimental control before claiming an intervention effect in relation to client's repeating questions after instructions

Correct answer

Explanation

Answer D

The clue is the combination of parent report that conflicts with recent session data, repeating questions after instructions, and the required task: Cultural variables in assessment. The case file includes 4 recent sessions, 1 implementer, and 4 settings. Identify the competing explanation and strengthen experimental control before claiming an intervention effect in relation to client's repeating questions after instructions is best because it answers that clue through internal validity and confounds 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 parent report that conflicts with recent session data, repeating questions after instructions, and the required task: Cultural variables in assessment. The case file includes 4 recent sessions, 1 implementer, and 4 settings.

Trap
Common trap

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

Next
If you missed it, review Internal validity and confounds

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

Why the other choices are weaker

A
Choice A

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

B
Choice B

This is weaker because it skips the assessment, integrity, or decision rule needed before changing procedures.

C
Choice C

Ignoring relevant data or context prevents a defensible behavior-analytic decision.

Study tags

Internal validity and confoundsCultural variables in assessmentconfounding variablesexperimental control

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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 Assessment. It also includes study tags for Internal validity and confounds, Cultural variables in assessment, confounding variables, experimental control.

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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