Alice, age 7, is working with clay in art class, and she rolls a round ball of clay between her hands until it becomes a long rope. However, she decides that she would prefer that the clay be in the shape of a ball again. Alice knows that this is possible. Piaget would say that Alice is demonstrating knowledge of __________.
A. formation
B. decentering
C. reversibility
D. conservation
Answer: C
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The majority of old people have no interest in, nor capacity for, sexual relations.
Answer the following statement true (T) or false (F)
Maryanne was born at a weight of 8.2 pounds. If her growth is typical of most children, about how much will she weigh at her first birthday party?
a. 24.6 pounds b. 16.4 pounds c. 32.8 pounds d. 12.3 pounds
James Olds (1956) discovered that rats would ignore food, water, and other life-sustaining necessities for hours if they were able to control stimulation of certain parts of the brain. He called these areas of the brain:
A) receptors. B) pleasure centres. C) reinforcers. D) addiction centres.
The main mode of action of the antidepressants is to
a. enhance the effects of serotonin or dopamine. b. reduce the effects of GABA. c. enhance the effects of GABA. d. reduce the effects of dopamine.