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    Converting effect sizes for a prior power analyis

    Hi, I am trying to calculate the sample size for my EEG study. I will conduct paired samples t-tests (for both behavioral and neurophysiological data). However, while looking into existing studies with similar paradigms to find an estimate for effect sizes, all I can find are ANOVA results. Is...
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    Analyze data set with multiple trials

    I solved the structure part --> Aggregate and restructure in SPSS Edit: Now I have a single line per subject with rows "RT_mean.0" and "RT_mean.1" with 0 and 1 coding the categories of the nominal variable. What test do I use for comparing them?
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    Analyze data set with multiple trials

    I have a data set of a reinforcement learning task. My goal is to analyze the difference between the reaction times of the two categories of a nominal variable. However, my data is currently coded with a lot of trials per participant, where every row corresponds to a trial. How can I structure...