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BACB BCBA Exam - Topic 4 Question 114 Discussion

Actual exam question for BACB's BCBA exam

Question #: 114
Topic #: 4

[All BCBA Questions]

The use of a withdrawal design is LEAST appropriate when:

Aevaluating an intervention for severe problem behavior.

Bevaluating the effects of an intervention for behavior that has multiple functions.

Cextraneous variables cannot be controlled.

Dmultiple participants are being evaluated.

Show Suggested Answer

Suggested Answer: A

by Reita at Jul 10, 2025, 12:23 AM

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Brock

7 months ago

I thought D could be an issue too, but I see the point.

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Norah

7 months ago

Totally agree, C is the right choice here!

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Socorro

7 months ago

A withdrawal design is definitely not great for severe behaviors.

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Yesenia

7 months ago

Wait, can extraneous variables really mess things up that much?

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Quentin

8 months ago

Withdrawal designs are tricky with multiple functions.

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Jacquline

8 months ago

I’m torn between B and C, but I think C makes more sense because if you can’t control extraneous variables, the results could be really skewed.

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Carolynn

8 months ago

I feel like evaluating multiple participants could complicate things, but I’m not confident that’s the main issue with withdrawal designs.

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Janine

8 months ago

I remember a practice question about withdrawal designs and how they can be tricky with multiple functions, but I’m not sure if that’s the right answer here.

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Yvette

8 months ago

I think the withdrawal design is least appropriate when extraneous variables can't be controlled, so I’m leaning towards C.

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Basilia

9 months ago

I feel pretty confident about this one. The key is to think about the strengths and limitations of a withdrawal design. If you're evaluating an intervention for severe problem behavior or behaviors with multiple functions, you wouldn't want to withdraw the intervention, so that wouldn't be the best approach. And if you can't control for extraneous variables, that would also make a withdrawal design less appropriate.

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Justine

9 months ago

Okay, I think I've got this. A withdrawal design is least appropriate when you're dealing with severe problem behaviors or behaviors with multiple functions, since you wouldn't want to remove the intervention in those cases. And if you can't control for extraneous variables, that would also make a withdrawal design a poor choice.

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Ricarda

9 months ago

Hmm, I'm a bit unsure about this one. I know withdrawal designs are used to demonstrate the effects of an intervention, but I'm not totally clear on the specific situations where they would be least appropriate.

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Marshall

9 months ago

This question is asking about when a withdrawal design is least appropriate, so I'll need to think about the key features of a withdrawal design and when those might not be suitable.

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Clorinda

10 months ago

Extraneous variables, huh? Isn't that just a fancy way of saying 'the dog ate my homework'?

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Adela

9 months ago

Better to control them if we want good data!

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Felicitas

9 months ago

Haha, exactly! They always have an excuse, right?

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Fatima

10 months ago

Agreed! They can skew results big time.

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Elly

10 months ago

True! But seriously, extraneous variables can mess things up.

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Marcos

10 months ago

Withdrawal design? Sounds like my college roommate after a night of partying. No control over those variables, that's for sure!

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Ezekiel

11 months ago

A, for sure. Severe problem behaviors need a more robust design than a simple withdrawal, don't they?

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Stephaine

10 months ago

A) evaluating an intervention for severe problem behavior.

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Vashti

11 months ago

That makes sense, I see your point.

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Aimee

11 months ago

D? Really? What's wrong with using a withdrawal design with multiple participants? Seems like a weird option to include.

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Oren

10 months ago

B) evaluating the effects of an intervention for behavior that has multiple functions.

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Abraham

10 months ago

A) evaluating an intervention for severe problem behavior.

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Sarah

11 months ago

I think the answer is A, because it's important to ensure safety when evaluating severe problem behavior.

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Donette

11 months ago

But wouldn't it be difficult to evaluate multiple participants using a withdrawal design?

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Rosita

11 months ago

B seems like the best choice to me. Behaviors with multiple functions are tricky to evaluate with a withdrawal design.

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Roslyn

10 months ago

C) extraneous variables cannot be controlled.

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Joye

10 months ago

B) evaluating the effects of an intervention for behavior that has multiple functions.

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Jennie

11 months ago

A) evaluating an intervention for severe problem behavior.

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Vashti

11 months ago

I disagree, I believe the answer is D.

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Alison

12 months ago

I think C is the correct answer. If you can't control extraneous variables, a withdrawal design won't give you reliable results.

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Brice

11 months ago

B) evaluating the effects of an intervention for behavior that has multiple functions.

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Dyan

11 months ago

A) evaluating an intervention for severe problem behavior.

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Donette

1 year ago

I think the answer is C.

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