1. Which of the following is not a problem associated with multicollinearity in a multiple regression?

a. increased error in y-intercept estimates

b. increased error in slope estimates

c. decreased effect size

d. none of the above

2.In a paired-samples t-test, normality refers to:

a. the sampling distribution of the independent variable.

b. the sampling distribution of the dependent variable.

c. the sampling distribution of the difference scores.

d. all of the above.

3.Which of the following statements about repeated-measures factorial ANOVA is not true:

a. the total variance is broken down into model variance and within variance

b. both main effects share a common error term

c. each participant gives data for each cell of the research design

d. independence is no longer a requisite assumption to be met

4. Which of the following is not considered in the standardized regression equation?

a. The slope.

b. the correlation between x and y.

c. the y-intercept.

d. the standardized score of X.

5.Which assumption is not relevant to a mixed-factorial ANOVA?

a. homogeneity of variances

b. independence of scores for between-subjects measure

c. sphericity for between-subjects measure

d. all of the above

e. none of the above