Ten-year-old Stephanie knows that she can easily trick her 4-year-old brother, Aaron, into accepting fewer pieces of candy. To do so, she places the pieces of candy in two rows. The first row contains 10 pieces of candy spaced closely together and the

second row contains 8 pieces of candy spaced far apart. Aaron always chooses the row that contains the 8 pieces of candy. Aaron reasons that it looks like it has more, so it must be so. He does this even though he knows that 10 is greater than 8 . According to Piaget, Aaron’s problem stems from __________.

a) centration
b) operation
c) symbolic function
d) egocentric thinking

Answer: a

Psychology

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To treat schizophrenia, therapists most commonly use _____ drugs.

A. Antidepressant B. Antipsychotic C. Anti-anxiety D. None of the above

Psychology

Memory loss may be partly explained by the gradual loss of brain cells that begins in early adulthood and causes an approximately ___% reduction in brain weight by age 80

a. 2 b. 5 c. 8 d. 10

Psychology