A researcher wants to determine whether diet causes children to learn better in school.In this study,the independent variable is
A)the children.
B)the type of diet.
C)the age of the children.
D)a measure of learning.

Question

Quizplus · Accepted Answer

The independent variable is the variable that is manipulated or changed in the study in order to measure its effect on the dependent variable. In this study, the researcher is manipulating the type of diet (independent variable) and measuring its effect on children's learning (dependent variable). The other options, such as the children themselves, their age, and a measure of learning, are not being manipulated by the researcher in this study.

A Researcher Wants to Determine Whether Diet Causes Children to Learn