Although not all psychologists agree, research using habituation and dishabituation discussed in your textbook suggests that very young infants might:
A) understand the meaning of some simple words.
B) demonstrate object permanence.
C) recognize their parents.
D) have a rudimentary appreciation for numbers.
Answer: D
Rationale: The infants in this study looked longer at shapes when the tone that accompanied them matched in number, compared to when they did not match. The researchers believe that this finding is evidence that even very young infants have a rudimentary appreciation for abstract numbers.
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Studies that examined the stability of interest patterns indicated that
a. they were not stable over time. b. adolescents had a very stable pattern of interests. c. interest patterns were established by about age 17. d. most people became instable in midlife.
Vagueness, digressions, and odd ideas are key symptoms in ____
a. dependent trait domain b. antisocial personality disorder c. obsessive-compulsive personality disorder d. schizotypal personality disorder
Random assignment in an experiment means that
a. participants get to choose their treatment group. b. smart children get placed into one group, and the rest get placed in another group. c. each child has an equal chance of being placed in any treatment group. d. parents state their preferences for placement of their children into groups.
A bilingual person uses a minimum of ____ language(s)
a. one b. two c. three d. four