By pairing the ringing of a bell with the presentation of meat, Pavlov trained dogs to salivate to the sound of a bell even when no meat was presented. In this experiment, salivation to the meat was the _______
a. unconditioned stimulus
b. unconditioned response
c. conditioned stimulus
d. conditioned response
b
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A normal distribution has a mean of ยต = 100 with ? = 20 . If one score is randomly selected from this distribution, what is the probability that the score will have a value between X = 90 and X = 120?
a. 0.1498 c. 0.5328 b. 0.4672 d. 0.2996
Which of the following is NOT a suggestion for making work shift rotations less disruptive?
a) use "light mask" to reset biological clock b) move workers to a rotating three-week shift schedule c) encourage the use of the drug modafinil to aid wakefulness d) increase light exposure during the work session
What is the brain system that is involved in attention?
a. cerebellum b. hippocampus c. reticular formation d. corpus callosum
Self-schemas differ from other schemas in that they are
a. smaller and more restricted. b. simpler. c. used less frequently. d. more likely to include emotional elements.