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Unformatted text preview: Statistical Methods in Psychology 02:43 Why are statistics necessary? Theories in psychology are primarily based on empirical research Testable statement Data Collected in some systematic way Statistics enable some evaluation of the testable statement Statistics help to: 1) Organize, Summarize and describe data gives it meaning Descriptive statistics 2) Describe and predict relationships Correlations Hypothesis Testing Inferential Statistics 3) Understand differences between groups True experiment...
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- Spring '10