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QUESTION
for this question researchers were aiming to have sufficient statistical power (.80) to detect a medium effect size at an alpha level of .
for this question researchers were aiming to have sufficient statistical power (.80) to detect a medium effect size at an alpha level of .05. i have to calculate the sample size, i have been given 4 options
- 156 participants
- 135 particiapnts
- 52 participants
- 45 participants
which one is correct?
