The stronger a relationship between two variables, the _______ variability there is in _______ at each _______.
a. more; x; y
b. less; x; y
c. more; y; x
d. less; y; x
Ans: D
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Which of the following describes an intelligence test?
a. Determines the possible contribution of brain damage to the person's condition b. Uses imaging to assess brain structure and/or function c. Assesses long-standing patterns of behavior d. Ascertains the structure and patterns of cognition
Researchers using the twin study method take advantage of which naturally occurring phenomenon?
A. Monozygotic twins have identical genes. B. Dizygotic twins have similar genes. C. Monozygotic twins are often treated alike by parents. D. Dizygotic twins are more alike genetically than typical siblings.
In which disorder does a person appear to be a different person at different times?
a) schizophrenia b) panic disorder c) depersonalization d) dissociative identity disorder
Pleitropic genes, a specific gene or group of genes, affect
A) only one trait. B) more than one trait. C) emotional disposition in individuals. D) cognitive abilities, causing delayed development.