1. If a researcher's statistical test supports the conclusion that their manipulation improved worker morale, what is the likelihood the researcher made the wrong decision if alpha is set to .01?

a. 1%

b. 10%

c. 99%

d. 90%

2. If the alpha level is set at .01, this implies:

a. the researcher is willing to make a Type I error 1% of the time

b. the researcher is willing to make a Type II error 1% of the time

c. the power of the study is .01

d. that beta is set to 10%

3. If power is 90%, this implies that you have:

a. a 90% chance of making a Type I error

b. a 90% chance of making a Type II error

c. a 90% chance of finding significance given a real effect

d. a 10% chance of making the correct decision