Which developmental research technique requires a significant expenditure of time as a researcher waits for the participants to get older?
A. applied research
B. cross-sectional research
C. empirical research
D. longitudinal research
Answer: D
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What are the smallest units of meaning in a language?
a. phonemes b. morphemes c. graphemes d. syllables e. letters of the alphabet
A newer designation of eating disorder that involves distress-inducing eating binges without purging, fasting, or excessive exercise following is
a. amenorrhea disorder. c. bulimia nervosa disorder. b. binge-eating disorder. d. anorexia nervosa disorder.
Spearman's early use of factor analysis led him to conclude that intelligence is
a. impossible to assess in a psychometrically valid way. b. a general ability plus some special abilities. c. a group of separate multicomponents. d. a single general ability.
An individual operating on the reality principle seeks __________
a) immediate gratification. b) perfect accomplishments. c) to reveal unconscious motivations. d) rational means for obtaining gratification.