You have chosen to compare means. What are you doing?

Comparing groups' mean scores

Comparing mean scores from paired samples (e.g. pre- and post-test scores)

Comparing mean scores against a known value (e.g. a population mean)

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Susan Archambault
Psychology Department, Wellesley College

Created By: Nina Schloesser '02
Created On: July 7, 2000
Last Modified: July 21, 2000