Author Question: Although the change decreases statistical power, you can decrease the risk of making a Type I error ... (Read 25 times)

Jkov05 · **on:** Jul 13, 2018

Although the change decreases statistical power, you can decrease the risk of making a Type I error simply by

a. examining extraneous variables.
b. making your significance (i.e., alpha) level smaller (e.g., change it from .05 to .01).
c. adding more dependent variables to your study.
d. adjust your degrees of freedom.

Question 2

Which of the following is an example of a null hypothesis?

a) There is a relationship between the season of the year and a person's affect.
b) Ho: XA XB
c) There is a difference in symptoms between Group A and Group B.
d) Ho: A = B