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Home Q & A Board Science-Related Homework Help Mathematics
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Hog95 Hog95
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Posts: 2983
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9 years ago
You plan to conduct a study where your nondirectional hypothesis will be assessed with a t test for independent means at the .05 significance level. If you are predicting a large effect size, how many participants would you need in total (assuming equal Ns per group) to obtain 80% power?
A)   20
B)   26
C)   40
D)   52
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padrepadre
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#1
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9 years ago
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anabellas12
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Hog95 Author
wrote...
#2
9 years ago
Thank you so much for the reply. Your answer makes a lot of sense.
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#3
3 years ago
Cool
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