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    Unequal sample sizes, unequal variances, help my ANCOVA!

    Hi everyone, I am trying to test to see if there is a difference between the means in two populations. Population A: 100 people, controls Population B: 330 people, anorexic I want to see whether they differ on a measure of body checking (ex: pinching fat). I'm using SPSS...
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    Correlation conundrum

    Hi there, New to this forum, sought it out because I am having real trouble understanding what is going on with this weird correlation I am finding with my research! I am studying eating disorders and I have two samples: anorexic inpatients (n=328) and healthy controls (n=110). I am...