Practice Exam Problems 6&7

6. A researcher decides to change his/her alpha level from a =.05 to a = .01. How does changing the alpha level to on = .01 affect the researcher's chance of making a Type I error? (4 points) a. increases the chance of a Type I error b. decreases the chance of a Type I error e. the chance of a Type I error stays the same (1. it depends upon whether you are using a t-distribution or a zdistn'bution 7. List and describe the two main disadvantag of using correlated grpj or paired-samples instead of independent groups. (6 points)