Discuss BACB BCABA Exam Topic 1 Question 126

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?

AFifteen-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.

BTwenty-minute observation periods are divided into 10-minute intervals. Staff then record whether or not hand-slapping is occurring during each 10-minute interval.

CThirty-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.

DOne-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.

Suggested Answer: A

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22 comments · newest first

Zona 2 days ago

I agree, A seems effective for quick observations.

Audra 7 days ago

I think option A is the best. Short intervals help catch more data.

Gerri 12 days ago

D seems too lengthy. We need quicker feedback on Ed's progress.

Gianna 17 days ago

I feel like B is too long. Ten minutes is a lot to wait.

Jamal 22 days ago

But C might miss longer patterns. A gives a good balance.

Dacia 28 days ago

Option C could work too. Two-minute intervals are really precise.

Refugia 1 month ago

I agree, A seems effective for quick observations.

Quinn 1 month ago

I think option A is the best. Short intervals help catch more instances.

Cordelia 1 month ago

I’m not sure if any of these really capture the full picture.

Tom 2 months ago

Option D seems too long for effective monitoring.

Deane 2 months ago

Wait, why are the intervals so different in each option?

Virgie 2 months ago

I disagree, option A seems more manageable for staff.

Hollis 2 months ago

I think option C is the best choice. Short intervals are key!

Galen 2 months ago

30 minutes seems like a long time to wait for results!

Truman 2 months ago

A longer observation period might miss quick hand-slapping moments.

Rosio 3 months ago

Wait, why not just do continuous observation instead?

Jeffrey 3 months ago

I agree, shorter intervals seem more effective!

Gearldine 3 months ago

I think option C is the best for capturing more data.

Delsie 3 months ago

I’m torn between A and C. I know shorter intervals can give more accurate data, but I wonder if 2 minutes is too short for meaningful observation.

Amie 3 months ago

I feel like we practiced a similar question, and I might have chosen option A back then, but now I'm not so sure.

Novella 4 months ago

I think option C makes the most sense because it captures hand-slapping more frequently with those 2-minute intervals.

Melodie 5 months ago

I remember we discussed momentary time-sampling in class, but I'm not sure which interval is best for this situation.

BACB BCABA Exam - Topic 1 Question 126 Discussion