Dr. Banta conducts an adoption study to estimate the heritability of intelligence. If intelligence is primarily influenced by the environment, he will find that
a. adopted children's intelligence level is more similar to that of their biological parents than that of their adoptive parents.
b. adopted children's intelligence level is more similar to that of their adoptive parents than that of their biological parents.
c. adopted children's intelligence level is unrelated to that of either their biological or adoptive parents.
d. he cannot determine heritability with an adoption study, therefore he will need to do a twin study.
b
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Which of the following drugs has been associated with long term deficits in serotonin activity?
a. alcohol b. heroin c. marijuana d. MDMA (ecstasy)
Which approach to personality may be useful in trying to account for the complexities of personality disorders?
a. Allport's trait theory b. Eysenck's sixteen factor theory c. Cattell's three factor model d. McCrae and Costa's big five theory
Children all over the world usually
follow the same timing in the development of language. understand sounds only from their native language. fail to discriminate the sound of the human voice from other sounds. follow the same sequence of language development.
Bus drivers for Regional Transit Authority will start working four ten-hour shifts instead of five eight-hour shifts. This will allow drivers an additional day off. According to the textbook, changing to this kind of work schedule is likely to lead to
A. increased job satisfaction and performance. B. a marked increase in traffic accidents. C. an increase in organizational citizenship behaviors. D. risk of fatigue and burnout.