Studies of the “wisdom of crowd” effect suggest that
a. groups are particularly effective when working on extremely difficult problems.
b. once the group reaches 5 members, it reaches its maximum level of “wisdom”.
c. making decisions by averaging individuals judgments is, in some cases, both efficient and accurate.
d. the “crowd” members, to become accurate, must initially discuss the issue among members.
c. making decisions by averaging individuals judgments is, in some cases, both efficient and accurate.
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A method of developing knowledge based on the evaluation of evidence from experiments and careful observation is called the approach
a. intuitive b. statistical c. empirical d. theoretical e. eclectic
Which statement concerning childhood friendships is FALSE?
a. Many unpopular children have at least one reciprocal friend. b. Having a friend increases the odds of being happy. c. Having a chum is detrimental to the development of a friendship. d. True friends are not considered attachment figures.
The reduction in the body's response to a drug which may accompany drug use is called
a. withdrawal. b. drug addiction. c. psychological dependence. d. drug tolerance.
Even though Tari could not speak Spanish, she knew that her Spanish audience appreciated her violin playing because of their facial expressions. Which concept explains why this is possible?
A. universality hypothesis B. culturemes C. micro-expressions D. affect blend