A professor compares scores on a competency exam among students at two times during a single semester.What type of t test is most appropriate for this study?
A)one-sample t test
B)two-independent sample t test
C)related samples t test
D)There is not enough information to answer this question.

Question

Quizplus · Accepted Answer

Since the study involves comparing scores at two different times during a single semester, it is most appropriate to use a related/dependent samples t test. This type of t test is used to compare the means of two dependent samples or repeated measures on the same subjects.

A Professor Compares Scores on a Competency Exam Among Students