2. Describe how each of the following would affect the power of an analysis (increase or decrease) and why: a. You decide to draw only from a subpopulation within which people have more in common than...

Extracted text: 2. Describe how each of the following would affect the power of an analysis (increase or decrease) and why: a. You decide to draw only from a subpopulation within which people have more in common than in the overall population. b. Your research budget runs dry and you have to stop gathering data before you reach your planned sample size. c. You place a very high priority on making sure the null is not rejected unless it is almost certainly false.