High school students from low-income families sometimes work after school to bring in extra income .Because of the hours they spend working, they have less time to do homework, which can lead to poorer grades .A researcher explores the effect of family income on grades .What type of variable is working part time in this study?
A)Common cause
B)Intervening variable
C)Control variable
D)None of the above

Question

Quizplus · Accepted Answer

Working part-time acts as an intervening variable in this study because it is a variable that mediates the relationship between family income and grades, explaining how or why a certain effect occurs.

High School Students from Low-Income Families Sometimes Work After School