In a recent study,a random sample of children in grades 2 through 4 showed a significant negative relationship between the amount of homework assigned and student attitudes.What type of variable is the amount of homework assigned?
A)An explanatory variable
B)A response variable
C)A confounding variable
D)A lurking variable

Question

Quizplus · Accepted Answer

The amount of homework assigned is the variable being manipulated or controlled by the researcher in order to observe its effect on student attitudes. It is therefore an explanatory variable.

In a Recent Study,a Random Sample of Children in Grades