What percentage of African American families is headed by a single parent?
a. 10%
b. 30%
c. 50%
d. 70%
Answer: d
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Source credibility is determined by
a. competence alone. b. trustworthiness alone. c. both competence and trustworthiness. d. competence, trustworthiness, and likeability.
Which aspect of the definition of abnormality includes the inability to care for oneself and work productively?
A. distress B. dysfunction C. danger to self and others D. deviance
Which statement strongly suggests that the actions of ghrelin on food intake involve NPY?
A. Ghrelin released from the stomach strongly inhibits NPY release in the hypothalamus. B. Ghrelin cells in the stomach contain NPY receptors. C. NPY levels are constant across the day-night cycle. D. Ghrelin receptors are located on NPY neurons.
Unlike other types of research, a cross-sequential design allows researchers to __________.
A. combine longitudinal and cross-sectional research strategies B. look for gender differences C. reduce experimenter bias D. only include cross-sectional strategies within the design