A two-factor ANOVA identifies the main effect of each independent variable on the dependent variable as well as any interaction effect between the two of them on the dependent variable.
Indicate whether the statement is true or false
An administrator working in a child guidance center tests the hypothesis that family income will be related to number of treatment sessions attended. Her sample size is large, and her level of significance is .05 . How should her critical region appear in her theoretical sampling distribution?
a. It should be split between the right and left tails, with .05 appearing in each tail.
b. It should be split between the right and left tails, with .025 appearing in each tail.
c. It should appear in the tail signifying a positive relationship, with .05 in that tail.
d. It should appear in the tail signifying a negative relationship, with .05 in that tail.
The ANCOVA procedure examines whether there are significant differences among groups on posttest scores when the effects of the pretest scores or other interval or ratio level variables are controlled.
Indicate whether the statement is true or false
Quick Reply
