week five forum question the effectiveness of the new depression therapy

timer Asked: Jan 1st, 2018
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Question description

The Week 5 Forum has two topics. Be sure to respond to both.

Initial Post Part 1 (minimum of 250 words)

You read in a health magazine about a study in which a new therapy technique for depression was examined. A group of depressed individuals volunteered to participate in the study, which lasted 9 months. There were 50 subjects at the beginning of the study and 29 at the end of the 9 months. The researchers claimed that of those who completed the program, 85% improved. What possible confounds can you identify in this study and how can they be corrected? Or can they?

Initial Post Part 2 (minimum of 250 words)

Review the internal and external threats to validity in the example from Part 1 of this Forum. Identify and define those threats that are related to measurement, and the threats that are related to sampling issues.

Tutor Answer

Ryann N
School: Carnegie Mellon University



Initial Post Responses




Initial post part 1 response
When developing a study, there is need to provide a clear procedure under which it would
be possible to ensure that the participants have a clear understanding of what the study entails
and the research process. In this case, it is clear that the subjects were not effectively taken
through the whole process that resulted in a significant number of participants opting out before
the conclusion of the study. A consent form is crucial in this case since it highlights all the
important points involving the study including the risks and any possible injuries that
participants may experience during participation.
A participant, in this case, opts to participate while having a ...

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