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Unformatted text preview: 1. Internal Validity: Does the I.V. (as manipulated) influence the d.v. (as measured)? 2. External Validity: Does the result generalize to other persons, places and times? Correlational Research: Simply observe and measure the relationship between two variables (the co-relation). Positive Correlation: Variables move up and down at the same time. Negative Correlation: One variable goes up, one variable goes down. No Correlation: No relation between variables (random.)...
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- Fall '08