Practice question
Measurement, Data Display, and Interpretation

Occurrence measurement: Measurement system selection.

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

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Question

Difficulty: hard. Skill: analyze. Type: data interpretation.

The team must choose how to measure and interpret calling out during independent work in a elementary classroom. Which option best fits occurrence measurement? The case file includes 2 recent sessions, 5 implementers, and 2 settings.

A
Base the decision on the descriptive label for calling out during independent work and bypass occurrence measurement
B
Use a familiar protocol even though it does not address measurement system selection
C
Rely on teacher's report alone and stop collecting direct evidence
D
Choose the measurement system that matches the behavior dimension and decision question in relation to student's calling out during independent work

Correct answer

Explanation

Answer D

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: Occurrence measurement. The case file includes 2 recent sessions, 5 implementers, and 2 settings. Choose the measurement system that matches the behavior dimension and decision question in relation to student's calling out during independent work is best because it answers that clue through measurement system selection 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: Occurrence measurement. The case file includes 2 recent sessions, 5 implementers, and 2 settings.

Trap
Common trap

This is weaker because the label does not answer the Occurrence measurement decision point or test Measurement system selection.

Next
If you missed it, review Measurement system selection

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 Occurrence measurement decision point or test Measurement system selection.

B
Choice B

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

C
Choice C

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

Study tags

Measurement system selectionOccurrence measurementfrequencyrate

Turn this into a study plan

If this question felt difficult, practice a short drill from Measurement, Data Display, and Interpretation and use the review page to turn missed items into a weak-area plan.

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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 Measurement, Data Display, and Interpretation. It also includes study tags for Measurement system selection, Occurrence measurement, frequency, rate.

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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