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Why is the inclusion of a comparison group important for an experiment?

Final Exam Take-home por2on Psychology 301 Spring 2021 Instruc2ons: For each of the following ques3ons,  answer with about a paragraph in response. Be sure to address each part of the ques3ons and give specific examples where requested. Upload this document to Canvas when it has been completed. Name:

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: matura3on, history, regression to the mean, and tes3ng. (Ch. 11)

Q2 Why might researchers need to consider interac3ons in their research?