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Short Answer Questions
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1

Describe how you could test the hypothesis that adolescents experience more stress today than they did 20 years ago using the archival method. What problems might you find in using this method to test your hypothesis?
2

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.
3

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





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