Dr. Story found that the children in two-parent homes had higher reading-test scores than those in one-parent homes. However, the children from two-parent homes had more siblings than those in one-parent homes. What is the confounding variable?

Question

Quizplus · Accepted Answer

The confounding variable is the number of siblings because it is a variable that is associated with both the independent variable (type of home) and the dependent variable (reading test scores) and may be impacting the results. It is important to control for the number of siblings in the analysis to accurately determine the true relationship between type of home and reading-test scores.

Dr Story Found That the Children in Two-Parent Homes Had