A small?scale "trial run" of all of the procedures planned for use in a research project is
called a:
a. pretest.
b. trend study.
c. panel study.
d. pilot study.
D
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Families headed by single mothers were 5.4 times more likely than married couple families to live in poverty. In 2011, how many women in households with no spouse present live in poverty?
A. 4 in 10 B. 6 in 10 C. 1 in 10 D. 2 in 10
In the case of SNCC: Starting Where the Client (Community) Is, the community organizer: a. directly and indirectly manipulates the clients to achieve the worker's goals
b. eventually empowers the clients to address voting rights. c. is manipulated by the deviant member of the group into changing the issue of concern. d. directly and indirectly manipulates the community to achieve the client's goals.
Field experiments, compared to laboratory experiments, generally
A) have equal external and internal validity. B) have higher external validity and lower internal validity. C) have lower external validity and lower internal validity. D) have lower external validity and higher internal validity.
Which of the following countries are the origin of the plant from whose leaves cocaine is extracted?
A. Algeria, Libya, and Egypt B. Thailand, Cambodia, Vietnam C. Turkey, Iran, and Iraq D. Mexico, Guatemala, and Honduras E. Peru, Bolivia, and Colombia