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seen Jan 28 '13 at 14:40

Jan
22
comment The use of effect size
Thank you very much. Yes I conducted a power analysis for those effect sizes.
Jan
22
comment The use of effect size
Because my professor said I have to. I told him I am using all the students, he said I have to perform a power analysis to determine if the number of students I have will be enough for the study. All the help I could get will be appreciated.
Jan
22
asked The use of effect size
Jan
22
comment Sample size calculation for t-test
Thank you very much for your help.
Jan
17
awarded  Student
Jan
17
asked Sample size calculation for t-test