Looking for Group Differences when the Same People Are Tested More than Once Using Repeated Measures ANOVA: Wug Tests and Instruction on French Gender

Looking for Group Differences when the Same People Are Tested More than Once Using Repeated Measures ANOVA: Wug Tests and Instruction on French Gender.

•Repeated measures is a design which is used when the same participants are measured more than once.

•Repeated-measures designs are also often found in our field when there is only one testing point in time, but you have related tests that you view as an independent variable.

•Research designs which incorporate repeated measures are quite desirable, as they increase the statistical power of a test.

•The more closely correlated the measures are, the higher the statistical power will be with fewer participants (Murphy & Myors, 2004). This is an important factor to consider in our field, where sample sizes are generally small.

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