What approaches have psychologists used to study personality traits? How many
personality traits are there?
What will be an ideal response?
The answer should describe Allport's "dictionary" approach, Cattell's and Eysenck's use
of factor analysis, and use of the NEO-PI-R. The next part of the answer should discuss the
different numbers and kinds of traits that each theory includes. The strong answer will point out
that the personality dimensions of extroversion and neuroticism are common to both Eysenck's
model and the five-factor model.
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In 1975, Cialdini and colleagues asked college students to spend 2 hours chaperoning a group of children on a field trip to the zoo. Only 17% agreed to this request
However, after first asking another group of college students to volunteer every week, for a minimum of two years, 50% agreed to the second request to chaperon the zoo trip. This demonstrates the power of a. the foot-in-the-door technique. b. propagandab. c. idiosyncrasy credits. d. the door-in-the-face technique.
If a researcher performs an experiment where half of the participants perform a memory task in the presence of distracting noise (such as a jack hammer) while the other half do not, the researcher has
a. Assigned the independent variable of memory task outcome b. Manipulated the dependent variable of memory task outcome c. Manipulated the independent variable of noise level d. Assigned the dependent variable of noise level