Multiple Choice
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 independent variable?
A) room lighting
B) exam scores
C) random assignment
D) Dr.Branch
Correct Answer:
Verified
Correct Answer:
Verified
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