Question

A university coordinator wonders if there is a difference in total points earned in an introductory psychology class between students taught by method X and those taught by method Y. Two classes with 230 students in each class were selected for the study. The two groups of students were paired on the basis of intelligence and then randomly assigned to one of the two methods.
Which test statistic should we use to analyze these results?

a. 2-independent-sample t test

b. 1-sample t test

c. 2-dependent sample t test

d. Chi-square

Answer 1

I believe the answer is c