A course in the history of psychology is a typical requirement for only 10% of undergraduate degree programs in psychology

Suppose you are reading statistics about a particular college. This college reports that about 30-40% of the student body has been treated for depression

Generalizing from statistics reported in the text, you would know that the students at this college are about ____ as likely to suffer from depression as are students nation-wide. a. half b. equally c. twice d. four times

How should the control group be selected?

a) Control group should enroll in treatment for the characteristic of interest. b) Control group should vary randomly on the characteristic of interest. c) Control group should allow the investigator to isolate the characteristic of interest. d) Control group should allow the investigator to statistically control for the characteristic of interest.