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Short Answer Questions
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1

How do psychologists' theories differ from our own informal or common sense theories of human behavior (e.g., adolescents are more stressed today than in the past)?
2

Describe the three goals of the scientific method.
3

Just as we need a representative sample in a good survey study, in an experiment, participants in each of the experimental groups ought to be comparable so that the researchers are able to make comparisons across groups. Describe the most effective method you could use to ensure that the treatment and control groups are similar.
4

Why do psychologists try to replicate the results of a successful research study that supported the predictions of the hypothesis?





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