Tom and his teammates are given the task of working on an important presentation. Tom does not contribute much because he is sure that his teammates can handle the presentation by themselves. This is an example of
A. reciprocal altruism.
B. a self-serving bias.
C. social loafing.
D. cognitive dissonance.
Answer: C
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Piaget thought children were like
a. little scientists. c. blank slates. b. miniature adults. d. computers.
What is the most costly and complex neuroimaging technique?
a) computed tomography (CT) b) magnetic resonance imaging (MRI) c) positron emission tomography (PT) d) magnetic resonance spectroscopy (MRS)
Which of the following is TRUE regarding use of pornography by adolescents in the United States?
A) ?Adolescent boys who view Internet pornography tend to express more satisfaction with their genitals than boys who rarely if ever view pornography. B) ?Adolescent girls who view pornography tend to report a greater appreciation for the uniqueness of the shape and size of their labia than girls who do not view porn. C) ?By law adolescents have no access to sexually explicit materials until they reach age 18. D) ?90% of young people have seen Internet porn by age 16.
Whenever the z score equation is used in order to calculate the mean, the
mean must always be less than the raw score a. when the raw score has a percentile value of less than 50 b. when the raw score is positive c. when the z score is negative d. when the raw score has a percentile value of greater than 50