The term groupthink was coined by __________ to apply to bad decisions often reached by tightly knit groups
a) Bibb Latane'
b) Leon Festinger
c) Irving Janis
d) John Darley
c
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In general, group tests
a. are psychometrically sound. b. lack documentation. c. are essay-type tests. d. lack reliability and validity.
William James wanted to investigate the purpose of behavior and mental processes and established the __________ school of psychology
Fill in the blank(s) with correct word
According to research on formal operational thought,
A. most 15-year-olds do not use formal operational strategies on all problems. B. formal operational thought is observed consistently by adults in all cultures. C. mature scientific reasoning does not require formal operational thought. D. most 13-year-olds used formal operational strategies on most problems.
The value that splits a frequency distribution into two halves, each half with the same number of values, is the
A. mode. B. mean. C. median. D. standard deviation.