In the within-subjects part of the design, there were main effects of drug type and dosage, but no interactions. The data file is just as described in that last post, with 11 variables: subject number, the group number (the between-subjects variables) an then 9 measurements that make up the 3 x 3 within-subjects part of the design. I’ll continue to use the Elashoff data set that I used in the last post the data are in the file elashoff.xls. That is, an ANOVA with both within-subjects and between-subjects factors. This post will cover a simple mixed repeated-measures ANOVA. As usual, it’s been far too long since I’ve posted, but the fall semester is coming and I’ve been ramping back up on both SPSS and R lately and I’d like to get in a couple more posts to finish off this series.
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