If an operational definition has construct validity:
a. it is consistent with the hypotheses.
b. it adequately represents a concept.
c. it relies on inductive reasoning.
d. it will be uncorrelated with other variables.
B
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Which of the following statements most accurately summarizes the research on adolescents' career aspirations?
a. Adolescent males are more ambitious about their educational and career plans than adolescent females are. b. Adolescent males are more likely than adolescent females to choose a nontraditional career. c. Adolescent females are more likely than adolescent males to report that they have gathered appropriate information for their future career. d. Adolescent males are increasingly likely to mention children and child care in their career plans.
REM sleep is called paradoxical sleep because:
A. the body does not need REM sleep, but does need regular sleep B. although asleep, the brain waves are virtually identical to those recorded while awake C. dreams often make no sense to the individual once they are awake D. REM sleep occurs immediately following Stage 1 sleep and immediately before Stage 2 sleep
During middle adulthood, people are at their height of sensory sharpness, strength, reaction time, and cardiovascular fitness
Indicate whether the statement is true or false
In the number sequence 3 6 2 3 12, what is the range?
A) 3 B) 9 C) 10 D) 12