Imagine a researcher wanted to know the effect of gender and education on wages. he sampled both men and women with 9 years education, 12 years of education, and 16 years of education. match the following questions with the correct answers for this design. what kind of variable is gender what kind of variable is education what kind of variable is wages how many levels of the education factor are included? this design is a. between subjects b. dependent variable c. within subjects d. two e. one f. independent variable g. three