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BACB BCBA Exam - Topic 1 Question 108 Discussion

The rehabilitation therapist wants to determine if the sensory integration sessions are helping to reduce Ed's hand-slapping. What is the BEST method for recording momentary time-sampling data?
D) One-hour observation periods are divided into 10-minute intervals. Staff then record whether or not hand-slapping occurs at all during each 10-minute interval.
A) Fifteen-minute observation periods are divided into 3-minute intervals. Staff then record whether or not hand-slapping is occurring at the end of each 3-minute interval.
B) Twenty-minute observation periods are divided into 10-minute intervals. Staff then record whether or not hand-slapping is occurring during each 10-minute interval.
C) Thirty-minute observation periods are divided into 2-minute intervals. Staff then record whether or not hand-slapping occurs at any moment during each 2-minute interval.

BACB BCBA Exam - Topic 1 Question 108 Discussion

Actual exam question for BACB's BCBA exam
Question #: 108
Topic #: 1
[All BCBA Questions]

The rehabilitation therapist wants to determine if the sensory integration sessions are helping to reduce Ed's hand-slapping. What is the BEST method for recording momentary time-sampling data?

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Suggested Answer: D

by Jennifer at Mar 06, 2025, 11:36 AM

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Lisha
7 months ago
D has the longest observation time, but those intervals are too long.
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Tonette
8 months ago
Totally agree with C, it gives a clearer picture!
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Willie
8 months ago
Really? 2 minutes feels too brief for a good assessment.
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Catarina
8 months ago
I think A is too short, might miss some hand-slapping.
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Casie
8 months ago
Option C seems the most precise for tracking those moments!
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Ozell
9 months ago
I’m a bit confused about the intervals. I thought 10-minute intervals were common, but I can't recall if they were effective for this type of data.
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Laurena
9 months ago
I feel like we did a similar question where longer observation periods were less effective. Maybe A is too long?
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Youlanda
9 months ago
I think option C sounds familiar because it has those 2-minute intervals, which we practiced in class.
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Charolette
9 months ago
I remember we discussed momentary time-sampling, but I'm not sure if shorter intervals are always better.
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Carla
9 months ago
I'm leaning towards option D. Observing for a full hour and recording whether hand-slapping occurs at all during each 10-minute interval might give the therapist the best overall sense of the behavior.
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Portia
9 months ago
Option A looks promising to me. Checking for hand-slapping at the end of each 3-minute interval could provide a good balance of detail and efficiency.
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Vincenza
9 months ago
I'm a little confused by the different interval lengths. I'll need to think this through carefully to decide which one is the best approach.
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Josefa
9 months ago
I think option C might be the way to go. Dividing the observation period into 2-minute intervals and recording whether hand-slapping occurs at any moment during each interval seems like it would give a pretty detailed picture.
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Celeste
9 months ago
This seems like a tricky question. I'm not sure which method would be the best for recording momentary time-sampling data.
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Raymon
1 year ago
Option D is the way to go. An hour-long observation period with 10-minute intervals? That's some hardcore data collection right there. I hope Ed's therapist has a comfy chair and lots of coffee!
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Delsie
1 year ago
I hope Ed's therapist is prepared for a long day of monitoring hand-slapping behavior.
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Carissa
1 year ago
An hour-long observation period with 10-minute intervals does sound intense, but it's important for accurate data collection.
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Melissa
1 year ago
I agree, option D seems like the most thorough method for recording data.
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Dan
1 year ago
I'm glad Ed's therapist is trying to help him with his hand-slapping. Option C is the way to go - the more frequent the observations, the better we can track his progress. Though I hope the therapist doesn't get hand-slapped in the process!
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Gianna
1 year ago
Let's hope the therapist doesn't get hand-slapped while trying to help Ed!
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Paola
1 year ago
Yes, more frequent observations will give a clearer picture of how the sensory integration sessions are working.
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Ocie
1 year ago
I agree, option C seems like the best method for tracking Ed's progress.
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Xochitl
1 year ago
I'm not sure why the question mentions 'momentary time-sampling data' - it seems like they're just looking for frequency of hand-slapping. Option C seems like overkill. I'd go with Option A.
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Nickole
1 year ago
Yeah, Option A makes the most sense for tracking the frequency of hand-slapping during sensory integration sessions.
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Graciela
1 year ago
I agree, Option A seems like the most efficient method for recording hand-slapping.
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Malcom
1 year ago
Option C is the best method for recording momentary time-sampling data. Dividing the observation period into 2-minute intervals and recording whether hand-slapping occurs at any moment during each interval provides the most detailed and accurate data.
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Marget
1 year ago
That way we can accurately track if the sensory integration sessions are helping to reduce hand-slapping.
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Gayla
1 year ago
It makes sense to record whether hand-slapping occurs at any moment during each interval.
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Jesusita
1 year ago
I agree, dividing the observation period into 2-minute intervals gives more detailed data.
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Tiera
1 year ago
I think option C is the best method for recording momentary time-sampling data.
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Anjelica
1 year ago
Why do you think option C is better?
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Lonny
1 year ago
I disagree, I believe option C would be more accurate.
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Anjelica
1 year ago
I think the best method is option A.
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