1. According to your assigned reading this week, the four validities approach improves:

a. setting of priorities

b. critical thinking skills

c. ability to evaluate claims

d. all of these

2. If a researcher's statistical test supports the conclusion that their manipulation did not improve worker morale, what is the likelihood the researcher made the wrong decision if power is set to 0.70?

a. 70%

b. 30%

c. 35%

d. cannot determine with the information provided

3. If power is set to .80, this implies:

a. that the Type I error is set to .20

b. that the Type II error is set to .20

c. that the alpha level is set to .08

d. that the beta is .80 as well