Melissa Williams

A researcher is testing the hypothesis that consuming a sports drink during exercise improves endurance. A sample of n=50 male college students is obtained and each student is given a series of three endurance tasks and asked to consume 4 ounces of the dr...

Briefly explain how increasing sample size influences each of the following. Assume that all other factors are held constant. a. The size of the z- score in a hypothesis test. b. The size of Cohen’s d. c. The power of a hypothesis test.

Briefly explain how increasing sample size influences each of the following. Assume that all other factors are held constant. a. The size of the z- score in a hypothesis test. b. The size of Cohen’s d. c. The power of a hypothesis test.