The independent variable(s) in the repeated measures design is/are

a. matched to the dependent variable

b. measured exactly as a number

c. not actually measured as a number

When the repeated-measures ANOVA, we are testing the null hypothesis that the means of

select one:

a. a threat to interval validity

b. no difficulty

c. type I error

Which of the following is true about the type of variable that can be examined as the dependent variable, or outcome, using ANCOVA?

A. The dependent variable must be continuous and normally distributed.

B. The dependent variable must be nominal.

C. The dependent variable must be dichotomous.

D. The mean value of the dependent variable must be equal in all groups.