Piaget's __________ stage is characterized by egocentrism and the explosion of
language.
(a) preoperational
(b) sensorimotor
(c) concrete operations
(d) formal operations
A
Psychology
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At three months the average fetus _____
a. weighs three ounces and is three inches long b. weighs three pounds and is three inches long c. has developed three brain structures d. has developed three sensory systems
Psychology
Dr. Thomas has found that William, her patient, has a defect in a gene on the X chromosome of his 23rd pair, which has resulted in a deficiency of a protein needed for William's brain development. William most likely suffers from
a. Down syndrome. b. cretinism. c. fragile X syndrome. d. fetal alcohol syndrome.
Psychology