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

a. matched to the dependent variable

b. at least three or more separate variables

c. measured exactly as a number

d. 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

d. type II error