Question: An experimenter has investigated the effects of cigarette smoking on learning. Two levels of the smoking variable were used (smoked, did not smoke). There are also two levels of the learning variable (intentional learning and incidental learning). Given the data below, answer the following questions:

(a) Practice the two-way between-subjects ANOVA on these data.

(b) Interpret the main effects and interaction of this experiment (adapted from Myers & Hansen, 2006, p. 448).