Student Affairs wants to compare the answers of seniors and freshmen to the same metric-scaled question. To determine whether or not there are statistically significant differences between the two classes, what methodology would a researcher use?
a. ANOVA
b. paired samples test for the difference between two means
c. test of significance of difference between two means
d. test of significance of differences between two percentages
e. a "post hoc" test
Answer: a. ANOVA