Psychology 200 - Research Methods for Psychology » Fall 2022 » Chapter 3 Part 1

Need help with your exam preparation?

Question #1
If I am interested in how caffeine affects student test scores and I ask students to tell me how much caffeine they've had just before a test. What type of variable is caffeine in this case?
A.     
B.   Measured
C.   Manipulated
Question #2
If I were to randomly assign students in class to receive low, moderate, or high doses of caffeine, how many levels does this manipulated variable have?
A.   2
B.   3

Need help with your exam preparation?