Based on the provided scenario, summarize how this switching replication procedure strengthens the researcher's ability to assess the mindfulness program's impact compared to a standard nonequivalent groups design.
Case context: A clinical psychologist is evaluating a new mindfulness program for anxiety reduction using two intact therapy groups at a clinic. Group A and Group B both complete a baseline anxiety assessment. Over the next four weeks, Group A participates in the mindfulness program while Group B attends standard sessions. Both groups are then assessed for anxiety. For the following four weeks, Group B receives the mindfulness program, after which a final anxiety assessment is given to both groups.
Question: Based on the provided scenario, summarize how this switching replication procedure strengthens the researcher's ability to assess the mindfulness program's impact compared to a standard nonequivalent groups design.
Sample answer: This switching replication procedure strengthens the design because it sequentially introduces the mindfulness intervention to both groups. By using this staggered method, the researcher is able to assess the program's impact at two distinct time points, rather than relying on a single treatment group and a static control group.
Key points:
- The intervention is sequentially introduced to both groups.
- The staggered method strengthens the nonequivalent groups design.
- It enables the researcher to assess the intervention's impact at two distinct time points.
Rubric: The response must explain that sequentially introducing the intervention to both groups allows the researcher to assess the intervention's impact at two distinct time points.
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Research Methods in Psychology - 4th American Edition @ KPU
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