The weight of scientific evidence (Schechter & Grether, 2008) indicates that thimerosal, a mercury-containing preservative that has been used in vaccines, ____.?
a. ?has been found to cause autism spectrum disorder
b. ?may contribute to the development of autism spectrum disorder
c. ?plays no part in the development of autism spectrum disorder
d. ?caused autism spectrum disorder when used in the routine measles/mumps/rubella vaccination
ANSWER:
c
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A basic issue in the use of animals in research is:
A. which special interest groups have the greatest lobbying clout B. documenting the major medical advances from their use C. developing computer models to take the place of animals D. striking a balance between the rights of animals and our need to find answers to important research questions
In the three-level hierarchy of mental ability, the general factor is analogous to:
A) Thurstone's primary mental abilities. B) Spearman's g. C) Spearman's s. D) Carroll's crystallized intelligence.
Using inferential statistics, we test hypotheses about:
a. the population. b. the sample. c. the relation between the samples. d. all of these
According to the article Some Restrictions May Apply about maltreated children
If all survey questions about a particular psychological characteristic are answered in a manner to suggest that a person really has that characteristic, the survey is said to be: (a) internally consistent (b) externally valid (c) concurrently valid (d) reliable