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Dr. W wants to study how manic symptoms of bipolar disorder change over time for

ID: 3467347 • Letter: D

Question

Dr. W wants to study how manic symptoms of bipolar disorder change over time for clients in therapy. He plans to collect data from 200 persons with bipolar disorder. He identifies 10,000 persons diagnosed with bipolar disorder who are receiving therapy and decides to select the 200 currently evidencing the most severe symptoms of mania. He plans to assess them now and again in 3 months. Which concern below is MOST RELEVANT to Dr. W's research design and is something that must be considered?

attrition

Explanation / Answer

Regression towards the mean is most relevant to Dr. W's research design and is something that must be considered. Regression towards the mean helps to analyse when the condition (disorder) is very high at the time of first assessment and the lower than before on the second time of the assessment.

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