repeated-measures within-participants

One-Way repeated -Measures ANOVA. Analysis of Variance (ANOVA) is a common and robust statistical test that you can use to compare the mean scores collected from different conditions or groups in an experiment. There are many different types of ANOVA, but this tutorial will introduce you to One-Way repeated -Measures ANOVA. A repeated -measures (or within-participants ) test is what you use when you want to compare the performance of the same group of participants in different experimental conditions. That is, when the same participants take part in all of the conditions in your study. The term one-way simply to refers to the number of independent variables you have; in this case, one. You would use this test when you have the following: one dependent variable one independent variable (with 3 or more conditions). each participant takes part all conditions This tutorial will show you how to run and interpret the output of a one-way repeated - measures ANOVA using SPSS.

Once you have told SPSS your variable name, and how many levels (or conditions) it has, CLICK on Add to add it to your analysis (see image above).Then CLICK on Define to continue. This opens the Repeated Measures dialog box. In the Within-Subjects Variables window you can see a series of question marks with bracketed numbers.

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  Measure, Repeated, Repeated measures

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