Tracy's study examines whether students to whom she gives chocolate chip cookies will score better on exams than students to whom she gives peanut butter cookies. What is the independent variable in this study?

Question

Quizplus · Accepted Answer

The independent variable is the factor that is manipulated by the researcher to observe its effect on the dependent variable. In this study, Tracy manipulates the type of cookie given (chocolate chip or peanut butter), making it the independent variable.

Tracy's Study Examines Whether Students to Whom She Gives Chocolate