Each of the objectives of a survey must be
a. rationalized.
b. reliable and valid.
c. operationalized.
d. objectified.
c. operationalized.
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When scientists study the impact of genetic and environmental influences, the research area is called
a. genetic behavior. b. gene splicing. c. behavior genetics. d. genome mapping.
Which component of a person's personality is responsible for the continuing desire to engage in sex indiscriminately?
a) id b) ego c) superego d) preconscious
A German physician who argued that abnormal behavior was rooted in diseases of the
brain was ______. a. William Griesinger c. G. A. Hansen b. Emil Von Tuke d. Gregor Mendel
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.