Research by Spector and colleagues (2006) indicates that abusive behaviors are driven by _____ whereas withdrawal is more related to _____.

Two sets of observations assessing annual income and dental health are compared. Which of the following is most likely true?

a. The two variables will be both positively and negatively correlated. b. The two variables will be uncorrelated. c. The two variables will be negatively correlated. d. The two variables will be positively correlated.

If you were to explain to your classmate why using the sum of squares is not an appropriate measure of each source's variability in a multiple-group design, you would say,

a) "Each sum of squares is based upon a different number of deviations from the mean b) "The source table does not provide the sum of squares." c) "The ratio of between- and within-groups variability based upon the sum of squares would result in a large F value." d) "There is only one source of variation that contributes to within-group variability."