Someone finds that people's personality at age 20 correlates highly with their personality at age 30 . This research must have used which type of design?

a. Single-blind
b. Double-blind
c. Longitudinal
d. Cross-sectional

c

Psychology

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Prejudice is to ___________ as discrimination is to ___________.

A. emotions; attitudes B. attitudes; behavior C. behavior; attitudes D. feelings; attitudes

Psychology

A set of exact procedures that represent particular variables is called a(n)

a. abstract definition. b. operational definition. c. case study. d. theory.

Psychology