BACB BCABA Exam - Topic 4 Question 99 Discussion

Actual exam question for BACB's BCABA exam

Question #: 99
Topic #: 4

When given free access to playing with blocks, crayons, and trucks, Jeff plays with blocks about 50% of the time, plays with crayons about 30% of the time, and plays with trucks the remaining 20% of the time. According to the Premack principle, which of the following is true?

APlaying with trucks will serve as a reinforcer for playing with crayons.

BPlaying with trucks will serve as a reinforcer for playing with blocks.

CPlaying with crayons will serve as a reinforcer for playing with blocks.

DPlaying with crayons will serve as a reinforcer for playing with trucks.

Show Suggested Answer

Suggested Answer: A

by Mollie at Sep 15, 2024, 12:17 PM

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3 months ago

Totally agree, blocks are the top choice!

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Kayleigh

3 months ago

Wait, are we sure about this? Seems off.

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Carin

3 months ago

Nah, trucks are way less popular for him.

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Annice

4 months ago

I think crayons could reinforce blocks too!

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Willodean

4 months ago

Jeff plays with blocks the most, so that makes sense.

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Shonda

4 months ago

I believe the answer is D because crayons are played with more than trucks, so they could reinforce truck play. But I might be mixing up the details.

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Nicolette

4 months ago

I'm a bit confused. If Jeff plays with crayons 30% of the time, does that mean it can reinforce something else? I feel like I need to think this through more.

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Catarina

4 months ago

I remember practicing a question like this where the activity with the highest percentage was the reinforcer. So, maybe playing with blocks could reinforce playing with crayons?

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Argelia

5 months ago

I think the Premack principle is about using a more preferred activity to reinforce a less preferred one, but I'm not sure which option fits best here.

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Cathern

5 months ago

I'm pretty confident on this one. The key is looking at the relative probabilities of the behaviors. Since playing with trucks is the least probable at 20%, that must be the behavior that would be reinforced by playing with blocks or crayons, which are more probable.

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Harley

5 months ago

Wait, I'm a little confused. If playing with blocks is the most probable behavior, how does that relate to the other toys being reinforcers? I need to re-read the question and think through the logic of the Premack principle again.

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Nieves

5 months ago

Hmm, this question is asking about the Premack principle, which is new material for me. I'll need to think carefully about how the percentages of time spent playing with each toy relate to reinforcement.

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Mari

5 months ago

Okay, I think I've got this. The Premack principle states that a more probable behavior can reinforce a less probable behavior. Since Jeff spends the most time playing with blocks, that must be the more probable behavior, so playing with blocks could reinforce playing with crayons or trucks.

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Alline

5 months ago

I remember practicing a similar question last week! I'm pretty sure ASR 9000 was one of the options.

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Steffanie

10 months ago

I'm feeling a bit crayoned-out trying to figure this one out. But if I'm reading the Premack principle correctly, the more preferred behavior (trucks) should reinforce the less preferred behavior (blocks). So I'll go with B. Now, where did I put my trusty set of blocks?

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Ocie

9 months ago

That's correct! Playing with trucks will serve as a reinforcer for playing with blocks according to the Premack principle.

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Mitzie

9 months ago

I agree, it seems like playing with trucks would serve as a reinforcer for playing with blocks.

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Ressie

9 months ago

I think you're on the right track with that reasoning. Playing with trucks reinforcing playing with blocks makes sense.

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Tawna

10 months ago

Ah, the old Premack principle conundrum. Let's see, if Jeff spends the most time on blocks, then that must be his least preferred activity. So B is the way to go. Piece of cake, just like building a tower with those blocks!

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Erinn

9 months ago

Exactly, it's all about using preferred activities to reinforce less preferred ones. B it is!

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Armando

9 months ago

Yeah, that sounds right. Playing with trucks would be a reward for Jeff after spending time with blocks.

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Kizzy

9 months ago

I think B makes sense. If Jeff plays with blocks the most, then playing with trucks would serve as a reinforcer for him.

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Marguerita

10 months ago

Haha, this question is a real block-buster! I'm gonna go with D - playing with crayons will serve as a reinforcer for playing with trucks. Why? Because who doesn't love a good crayon-drawing session, am I right?

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Shelba

9 months ago

Yeah, it could be a mix of different activities that make playing with blocks even more enjoyable. It's all about finding that perfect balance!

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Ocie

9 months ago

That's a good point, trucks can be really exciting to play with too. Maybe it's a combination of both crayons and trucks that reinforce playing with blocks.

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Mitzie

10 months ago

I agree, crayons are definitely a favorite for many kids. But I think playing with trucks could also be a reinforcer for playing with blocks.

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Pamela

10 months ago

I think you might be onto something there! Crayons are just so much fun to play with.

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Mignon

10 months ago

Hmm, I'm not too sure about this one. I was thinking C, but now I'm second-guessing myself. Didn't the Premack principle say something about the more preferred behavior reinforcing the less preferred one? Guess I better review my notes.

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Lauran

10 months ago

B) Playing with trucks will serve as a reinforcer for playing with blocks.

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Ronald

10 months ago

A) Playing with trucks will serve as a reinforcer for playing with crayons.

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Ammie

10 months ago

But playing with trucks is more preferred by Jeff, so it would serve as a reinforcer for playing with blocks.

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Kris

11 months ago

I think the answer is B. Playing with trucks will serve as a reinforcer for playing with blocks. The Premack principle states that a more preferred behavior can be used to reinforce a less preferred behavior, and since Jeff spends the most time playing with blocks, that must be his least preferred activity.

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