Multiple Choice
A researcher conducted an experiment to investigate the effects of ambient room noise on test performance among college students. In this study, the independent variable is
A) noise.
B) test performance.
C) the students.
D) the room.
Correct Answer:

Verified
Correct Answer:
Verified
Q12: Why is random assignment used to place
Q13: A researcher conducted an experiment to investigate
Q14: Define internal and external validity. Which do
Q15: Variance in participants' scores that is not
Q16: To guard against order effects, researchers use<br>A)matched
Q18: A question that asks participants to rate
Q19: Researchers pilot test independent variables to<br>A)see whether
Q20: Which of the following is used to
Q21: In a within-subjects design,<br>A)changes within individual participants
Q22: Demand characteristics are<br>A)the experimenter's expectancies about what