Dr.Dow Jones wants to know whether a problem-based approach to teaching economics will result in higher academic performance than his traditional method.Of the six sections of Economics 101 at his university,Dr.Jones randomly assigns three sections to the traditional method and three sections to the problem-based method for Unit 1 of the course.Then all sections switch instructional method for Unit 2.He plans to compare the performance of the two groups of sections on their Unit 1 and Unit 2 exams.The design of this study is:
A)within subjects (repeated measures)
B)quasi-experimental
C)true experimental
D)ex post facto

Question

Quizplus · Accepted Answer

This study involves randomly assigning three sections to the traditional method and three sections to the problem-based method for Unit 1, and then switching instructional method for Unit 2. This is a within-subjects design, also known as a repeated measures design, because each group serves as their own control group. Therefore, the best choice is A.

DrDow Jones Wants to Know Whether a Problem-Based Approach to Teaching