In a between-subjects design, holding constant a participant characteristic, such as age or gender, is one way to ____.
a. reduce the variance within treatments
b. maximize the variance within treatments
c. increase individual differences
d. increase sample size
a
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The process of establishing rules for administering a test and for interpreting its scores is known as ____________________
Fill in the blank(s) with correct word
When a question occurs to you during a lecture, you should
a. ask it during class. b. ask a classmate about it after class. c. write it down and ask the instructor after class. d. not ask it, since this would interrupt the lecturer.
A(n) ____ is typically used to assess behaviors of people, organizations, or processes
a. index b. instrument c. test d. scale
According to the chapter, just because a study might have found that blood pressure statistically changed following treatment, it does not necessarily mean:
a. participants will continue to receive treatment. b. that blood pressure was accurately measured. c. the change is meaningful. d. the change is permanent.