A normal distribution has a mean of µ = 100 with ? = 20 . If one score is randomly selected from this distribution, what is the probability that the score will be less than X = 84?
a. 0.7881 c. 0.2881
b. 0.5762 d. 0.2119
D
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If in the course of an experiment you repeat measurements of the same individual, you introduce a confound called:
a. maturation. b. history. c. selection. d. testing.
The role of self-efficacy in cognitive-behavioral therapy was most clearly emphasized by
a. Watson. b. Bandura. c. Wolpe. d. Meichenbaum.
James manages a team of employees for a company that is highly organized, well controlled, and high in employee satisfaction. In this situation, there is a greater need for a ________ leader than a ________ leader
a. task-oriented; relationship-oriented b. relationship-oriented; task-oriented c. feminine; masculine d. masculine; task-oriented
Which theory of color vision explains that each of the cones in the retina contains a different type of iodopsin that breaks down when struck by light, triggers action potentials, and sends neural messages to the brain?
a. opponent-process theory. b. trichromatic theory. c. three-opponent theory. d. stage primary theory.