A researcher examined the possibility that additional recess time would increase the number of math facts learned over a one-month period. The procedure tested this hypothesis using a first-grade classroom with extended recess time and a second-grade classroom with regular recess time. In this study, the amount of recess time would be considered:
A) The independent variable
B) The dependent variable
C) A confound
D) The research hypothesis

Question

Quizplus · Accepted Answer

The independent variable is the factor that is manipulated by the researcher to examine its impact on the dependent variable. In this study, the amount of recess time is manipulated to see its effect on the number of math facts learned, making it the independent variable.

A Researcher Examined the Possibility That Additional Recess Time Would