Dr.Branch would like to study the relationship between room lighting and college students' test performance.He randomly assigns college students to two groups.The first group takes an exam in a dimly lit room and the second group takes the same exam in a regularly lit room.What is the dependent variable?
A) room lighting
B) exam scores
C) random assignment
D) Dr.Branch

Question

Quizplus · Accepted Answer

The dependent variable is the variable being measured and tested in the study. In this case, it is the exam scores of the college students. Room lighting is the independent variable that is being manipulated by Dr. Branch, while random assignment is the research design that ensures the groups are equivalent. Dr. Branch is the researcher conducting the study but is not a variable being measured.

DrBranch Would Like to Study the Relationship Between Room Lighting