Comparison of methods of analysis for Pretest and Posttest data
Fancher, Emily Lauren
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In this thesis I compare methods of statistical analyses for Pretest and Posttest Control Group Designs and Non-equivalent Group Designs. I compare the strengths and weaknesses of different methods of analyses, including ANOVA for the difference, ANCOVA, and Repeated Measures ANOVA. Four different data sets are analyzed and compared based on fit statistics and LS mean estimates.