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Unformatted text preview: corresponded to the observed improvement of class behavior. There wasn’t a significant reduction in physical aggression; therefore this finding was not significant. 3. One threat to the internal validity of this study is mortality because 6 participants dropped out of the study. Another threat could possibly be history because any event could have occurred between the repeated measurements....
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This note was uploaded on 04/05/2012 for the course PSY 3213 taught by Professor Staff during the Spring '11 term at FSU.
- Spring '11