One potential problem I see with re-scaling your measures (regardless of the maths you use) is that the psychopathy scales in your sample may actually not measure the exact same construct. For example, different psychopathy…"
"I don't think that is necessary to be effective. I believe that it can be used to put summary scores (M/SD) onto a single metric as well, but I would also like to hear any other members weigh in before endorsing that as an official…"
I had a quick look at the procedure and it seems that we would need the raw individual scores for every subjects from the different studies we want to include. Is that correct? Not insurmountable, but this might take us more time. Thank…"
Great question! It's a big problem, because there is never agreement on a single best standard measure for any construct in behavioral science. I think you may be helped by converting all the scores from across studies that use…"
Hello, I hope you will be able to shed some lights on an issue my postdoc and I are facing in the context of a meta-analysis we are currently working on. The meta-analysis will focus on structural magnetic resonance imaging studies that have compared brain grey matter volume of youths with conduct disorder and controls. Beside the standard group comparison (conduct disorder vs controls), we would like to investigate in a dimensional way (i.e., meta-regression as described here…See More
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