Including a nuisance variable as an independent variable in your experimental design
a. is a mistake to be avoided
b. can increase the sensitivity of the experiment
c. is a type of manipulation check
d. decreases the generality of the results
b
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Research on the Edinburgh Postnatal Depression Scale
a. suggested that it was unnecessary and not cost effective to screen all pregnant and postpartum women for depression. b. showed that it did not function well for low income and African American women. c. showed that it is only able to detect major depression in pregnant and postpartum women. d. showed that is capable of identifying both major and minor depression in pregnant and postpartum women.
If a study of the effect of divorce found a more negative impact for girls than for boys, sex will be a ____
a. protective factor b. risk factor c. mediating variable d. moderating variable
Before we can evaluate the success of a drug treatment program, we have to understand the program's
A. administrative structure. B. training requirements. C. goals. D. theoretical approach.
Dr. Rudy wants to compare the characteristics of family members. What kind of research method would you recommend that Dr. Rudy use?
A) a kinship study B) a case study C) a structured observation D) a passive correlation