A researcher is interested in how the scores that children receive on a spelling test are affected by the amount of food that they eat for lunch. The independent variable is
A) the age of the children.
B) the scores on the spelling test.
C) the words on the spelling test.
D) the amount of food eaten for lunch.

Question

Quizplus · Accepted Answer

The independent variable in this scenario is the amount of food eaten for lunch, as it is the variable that the researcher is manipulating to see its effect on the children's scores on the spelling test. The other options are not the independent variable, as they are either dependent variables or unrelated to the research question.

A Researcher Is Interested in How the Scores That Children