Some rural communities in the United States have a tradition of "barn raising", in which, when a group member needs a new barn, community members all work together to build it. Members are expected to participate, but they benefit from the arrangement because the group will offer help when it is their turn to need a new barn. This example best illustrates
A. reciprocal altruism.
B. heroism.
C. familial altruism.
D. bystander intervention.
Answer: A
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ISLE 12.3: McGurk EffectClick on the above link to work though the ISLE activity. Once you've completed the activity, navigate back and answer the following question.A research participant is watching a video of a speaker's lips mouthing the syllable "pa." The accompanying soundtrack, however, plays the syllable "ka." The McGurk effect suggests that the participant should report hearing ______.
A. "pa" B. "ka" C. either "pa" or "ka" D. neither "pa" nor "ka"
In the three-level hierarchy of intelligence tests, _____ factor(s) is/are at the top, _____ factor(s) is/are in the middle, and _____ factor(s) is/are at the bottom.
A) a general; specific; group B) specific; group; a general C) group; a general; specific D) a general; group; specific
In a study on how marijuana affects creativity, the people who took the marijuana performed no more creatively than those who took a placebo. Both groups performed more creatively than a group that received no drugs at all
What conclusions can BEST be drawn from these findings? a. Marijuana enhances creativity. b. The group receiving the placebo was more creative to begin with than the group receiving the marijuana. c. Neither marijuana nor the placebo seem to have any effect on creativity. d. The creative effects of marijuana are probably due to people's beliefs that it will increase their creativity.
Attention is a limited resource, no matter how much effort we put in to noticing our surroundings.
Answer the following statement true (T) or false (F)