Why is it, in the study by Cialdini and his colleagues (1990), that a single piece of trash is more effective at reducing litter than a perfectly clean landscape?
a. It signifies the injunctive norm of not littering.
b. It is a huge eyesore that prompts people to pick up after themselves and others.
c. It sticks out in a clean area and reminds others not to be careless.
d. It creates a descriptive norm of some allowable litter.
Answer: C
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Professor Wapner wants to develop a new psychometric test of anxiety. He must be careful to have the various items on the test yield similar results to ensure that it will be high in ____
a. interrater reliability b. test-retest reliability c. construct validity d. internal consistency
The sequence of development during infancy can be described as:
a. haphazard b. unpredictable c. stable, orderly, and predictable d. unstable, but orderly and predictable
A parent who demonstrates to a child how to tie their shoes, and then gradually turns over the responsibility for the task to the child, is exhibiting:
a. the zone of proximal development. c. attachment. b. scaffolding. d. conservation.
Why might children from poorer, non-industrialized countries still be growing taller while those in industrialized countries are not?
a. Nutrition in industrialized countries is getting poorer. b. Medical care in industrialized countries has not yet prompted a growth trend. c. Medical care and nutrition continue to improve in non-industrialized countries. d. all of these