Question

A researcher wants to determine if preschool attendance is associated with high school graduation for low-income students. She randomly assigns low-income children to two groups; one group will attend preschool program, the second group will not attend preschool. The researcher plans to follow the children in the study for 20 years and observe whether or not they graduate from high school. Which of the following is the response variable in this study?

A) Whether or not a subject graduates high school
B) The length of time it takes a subject to graduate high school
C) Whether or not a subject attends preschool
D) The income status of the children

Answer 1

Option A) Whether or not a subject graduates high school

Explanation:

We are given the following experiment in the question:

Experiment: if preschool attendance is associated with high school graduation for low-income students.

Independent variable: preschool attendance

The children were divided into two groups, one group will attend preschool program, the second group will not attend preschool.

The response variable is another term for dependent variable.

Here,

Dependent variable: whether or not children will graduate from high school.

Because this is dependent on the variable whether the child attends the preschool or not.

Option A) Whether or not a subject graduates high school