Answers to Practice Test Questions

1. c; behavioral
2. d; sampling randomly from a list of all the students enrolled at your school
3. c; experimental
4. b; positively; negatively
5. b; -.81
6. c; independent variable; dependent variable
7. c; placebo
8. a; mode; mean
9. b; 68
10. c; less; greater
11. d; random sampling
12. c; students' scores tended to be very similar to one another
13. a; 16
14. c; naturalistic observation that turned into participant observation
15. a; a lot of scatter with data points going from top left to bottom right