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  1. M

    Which Statistical Analysis would I use?

    I am writing a fake study. In the study there are 3 groups which correspond to times. (1:00pm, 2:00pm and 3:00pm) The participants took a "cognitive enhancing drug" at these time intervals and I am trying to assess which time is the most effective. Performance measures were taken (4...
  2. M

    What would you do if you had two very different Values of Cohen's D?

    I conducted a factorial ANOVA.. and I found a significant interaction. I used two independent samples t-tests to conduct a further simple effects analysis one group always had higher accuracy than the other group regardless of the condition. However: condition 1 had an extremely...