Christine wants to determine if her new intervention for depression is effective

Question

Christine wants to determine if her new intervention for depression is effective. She has two patients (Patient A and Patient B) and begins to collect data on both of their moods. After two weeks, she begins to implement the new intervention on Patient A, while continuing to just observe and collect data on Patient B. Then, after another two weeks, she begins the intervention on Patient B. This approach is called: Between-groups design Reversal design Multiple-baseline design Within-group design Stable-baseline design se

Explanation / Answer

This is called within group design where all participants are exposed to the intervention or condition.They are not broken into two groups but intervention is tried within the group.The intervention is used to describe different levels of the independant variable ,the variable that is controlled by the experimenter.Between group designs are when there are two groups with different testing.Reversal design is which shows a reversal From A to B and then back again.

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