Using GPower (Available here:Gpower Download,conducta power analysis using the following information:

Problem 1:Calculate the sample size based on the following. Two-tailed test, 3 IV, 1 DV, an effect size .15,an alpha level.05, power .80.

Problem 2: Calculate power given the following. 2 IV, 1 DV, effect size .15, alpha level.05, a sample of 100 participants.

Problem 3: Calculate the sample size needed when given the following: 3 Groups (IV), 3 DV, an effect size of .25, an alpha level of .05. power of .90.