Lenny searches for a toy that he saw his mother hide, first behind her back and then under a pillow. Lenny has acquired
A. object permanence.
B. sharp vision.
C. symbolic thought.
D. persistence.
Answer: A
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Disorders characterized by disruptions in mood are known as __________ disorders.
A. conversion B. somatoform C. depressive D. dissociative
One way to increase patient motivation to take medication involves the use of
a. reinforcement. b. modeling. c. biofeedback. d. exposure.
Which of the following is likely to be a research topic in behavioral genetics?
a. ?examining the difference in IQ between a child and his or her identical twin b. ?examining the difference in IQ between a child and his or her classmates c. ?examining the difference in IQ between a child and his or her teachers d. ?examining the difference in IQ between a child at age four and again at nineteen
Cocaine produces its effects by:
a. increasing the effectiveness of norepinephrine and dopamine b. decreasing the effectiveness of norepinephrine and dopamine c. increasing levels of serotonin d. decreasing levels of acetylcholine