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 is an independent variable in Audrey's study?
A) Ability
B) Fifth grade
C) Post-test exam
D) Science principles

Question

Quizplus · Accepted Answer

Ability is an independent variable because it is a factor that Audrey is manipulating or categorizing to observe its effect on the dependent variables (knowledge tests).

Audrey Examines Students' Learning of Science Principles from Interactive Games