James Olds and Peter Milner provided rats with the opportunity to electrically stimulate their own pleasure centers in the brains by pressing a lever. What was a key finding of that experiment?
A. The rats avoided the lever completely.
B. The rats showed restraint and rarely pressed the lever.
C. The rats would press the lever, but stop during feeding time.
D. The rats chose to press the lever rather than seek food, sex, and water.
Answer: D
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When comparing the coping support systems among all cultural groups research indicates the following groups have the highest amount of support from other individuals within their cultural groups:
a. Individuals with strong religious ties b. African American individuals who get the most support from their families, and women c. European American men d. athletes and college students
For most people, speech production takes place in the ________ hemisphere, whereas speech comprehension takes place in the ________ hemisphere
a) left temporal; left frontal b) left frontal; left temporal c) right temporal; right frontal d) right frontal; right temporal
Children in __________ are more likely than younger children to understand __________ such as "If you let me play with that toy, I'll share my lunch with you."
A. early childhood; prepositional phrasing B. middle childhood; schematic sentences C. middle childhood; conditional sentences D. adolescence; prepositional sentences
_____ refers to behavior intended to hurt or injure another person
A) Aggression B) Regression C) Depression D) Digression