The fact that most of us gain pleasure from eating and sexual activity is at least partially due to the effects of neurotransmitters. Which neurotransmitter is the most likely source of this pleasure?
a. ?epinephrine
b. ?glutamate
c. ?endorphins
d. ?dopamine
ANSWER:
d
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Give an example how recent research refutes some of Piaget's understanding of preschool children's abilities.
What will be an ideal response?
Fading as a learning technique involves
a. engaging in a behavior less frequently. b. vicarious reinforcement. c. exaggerating differences then eliminating them gradually. d. successive approximations.
A marketing research company decides to use a Likert scale to measure attitudes toward a new method of selling cars -- no-haggle pricing. Employees of the company are getting ready to begin the study by
a) writing statements related to this sales method. b) determining the number of cars sold at dealers that use this method. c) setting up cameras to record the behaviors of potential buyers on the sales lot. d) examining the advertising budgets of successful and unsuccessful dealerships.
The nervous system encodes greater intensity of a given stimulus by
A. forming action potentials with higher peaks. B. forming action potentials that last a longer time. C. increasing the rate of firing. D. reducing the number of neurons that are responding.