Multiple Choice
You plan to conduct a study where your directional hypothesis will be assessed with a t test for independent means at the .05 significance level.If you are predicting a medium effect size,how many participants would you need in total (assuming equal Ns per group) to obtain 80% power?
A) 50
B) 64
C) 100
D) 128
Correct Answer:
Verified
Correct Answer:
Verified
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