Hi
Has anyone out there written functions (or whatever) to calculate effect sizes
(that's the easy bit - not too worried about that), and more particularly
confidence intervals for effect sizes (estimated iteratively and involves
non-central t - worth looking for someone else's wheel, before designing
own)?
Thanks
Edith Hodgen
Statistician and Data Manager
New Zealand Council for Educational Research
Phone: +64-4-384 7939 x 812
Fax: +64-4-384 7933
edith.hodgen at nzcer.org.nz
Web site http://www.nzcer.org.nz
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