In Piaget's sequence of sensorimotor development, infants first develop ________.
A. mental representations
B. tertiary circular reactions
C. reflexive schemes
D. primary circular reactions
Answer: C
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Most paraphilias are exhibited by men, with the exception of
a. masochism. b. fetishism. c. frotteurism. d. exhibitionism.
What seems to underlie the significant increase in processing speed seen during childhood?
a. Enhanced use of preservation b. Vastly improved sensory systems c. A greater reliance on implicit memory d. Brain maturation
Why do Asian-American and Latino-American teens tend to begin dating at a later age than European-American teens?
a. fewer available partners b. stronger family ties c. less disposable income d. greater need for social isolation
Which of the following techniques is used by scientists to determine the relative influence of genetics and experience on behavioral traits?
A. gene mapping B. chromosomal analysis C. the Human Genome Project D. adoption studies