Audrey examines students' learning of science principles from interactive games. She randomly assigns the fifth grade students in her study to a control condition with no play time, a timed play condition, or an unlimited time play condition. She also groups her students into either high or low ability groups. She measures her students with a knowledge pretest, a post-test, and a delayed post-test.
-Which of the following best represents Audrey's study design?
A) Pre-test post test design
B) A 3 x 3 factorial design
C) A 3 x 2 factorial design
D) A 3x2x3 factorial design

Question

Quizplus · Accepted Answer

Audrey's study design is a 3 x 2 factorial design because she has two independent variables: play condition (timed play, unlimited time play, or no play time) and ability group (high or low). Each independent variable has three levels and two groups, resulting in a 3 x 2 design. Additionally, Audrey measures participants with a pretest, post-test, and delayed post-test, which is consistent with a pre-test post-test design. However, the primary focus of her study design is the manipulation of the independent variables in a factorial design, making C the best answer.

Audrey Examines Students' Learning of Science Principles from Interactive Games