1. C

    comparing by-subject with mixed-designs

    Hi, I know a common critique for meta-analysis is the comparing apples and pears argument. I am still trying to include as many different study methods (the method will be a factor), but I am not sure if it statistically makes sense if I also include mixed-design studies when most others are...
  2. T

    Comparing three groups that have been analysed by Friedman's ANOVA

    Dear all, I have been struggling with the following problem and would be extremely grateful for some help. :confused: I have three groups of participants. For each participant I have six measurements for my experimental manipulation. I want to know whether there is an interaction of...