It has been demonstrated that a lack of social support puts people at higher risk for physical and psychological disorders

At the amusement park, Keon's heart begins beating rapidly and his palms begin to sweat. He reasons that since he is next in line for a ride on a roller coaster,

he must be feeling exhilarated. This sequence of events in which Keon first perceives his arousal and subsequently labels it is consistent with the a. two-factor theory of emotion. b. predictions of self-verification theory. c. theory of self-monitoring. d. theory of the looking-glass self.

In a 2 × 2 analysis of variance, the basis for estimating the numerator of the F ratio for the column effects is

A) the variance among the four cell means. B) the variance between the two column marginal means. C) the variance between the two row marginal means. D) the variance between the means of the two diagonals.