Research on public service ads designed to promote healthy behavior indicates that such efforts
a. almost always fail.
b. are more effective at changing the attitudes of men versus women.
c. are more effective via television than print ads when their target is young people.
d. are most effective when they are subliminal.
Answer: C
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Which of the following does NOT protect the brain at the physical level?
a. meninges b. cerebrospinal fluid c. blood-brain barrier d. skull
In the experimental method, the experimenter ____ the independent variable, ____ the dependent variable, and ____ the confounding variables
a. manipulates; measures; eliminates b. observes; manipulates; measures c. measures; manipulates; eliminates d. manipulates; measures; observes
When the regression lines that predict performance for two groups have different slopes, which one of the following types of measurement bias is likely to occur?
a. Single-group validity b. Differential validity c. Culture bias d. Method bias
Piaget's preoperational stage consists of individuals between the ages of ______
2 and 7 || birth and 2 || 7 and 11 || 11 and adulthood || || ||