Why is the inclusion of a comparison group important for an experiment? Relate the concept of a comparison group to the discussion of why research is beFer than experience (Ch. 2) and to the following threats to internal validity: maturation, history, regression to the mean, and testing.

Final Exam Take-home portion Psychology

Instructions: For each of the following questions, answer with about a paragraph in response. Be sure to address each part of the questions and give specific examples where requested. Upload this document to Canvas when it has been completed.

 

Q1

Why is the inclusion of a comparison group important for an experiment? Relate the concept of a comparison group to the discussion of why research is beFer than experience (Ch. 2) and to the following threats to internal validity: maturation, history, regression to the mean, and testing. (Ch. 11)

Q2

Why might researchers need to consider interac3ons in their research?

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