Of the following, the best definition of a "reflex" is
A. a behavior that occurs as the result of experience.
B. an inevitable, uncontrollable response to stimuli.
C. an inborn pattern of behavior evoked by external stimuli.
D. a temporary, complex change in behavior.
Answer: B
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When using a _____ hypothesis, the researcher predicts that the groups being compared will differ but does not predict how they will differ
a. null b. directional c. one-tailed d. two-tailed
Ten days after taking a psychology exam, Michael took a second exam on the same material (without reviewing) and scored only half as high as he did on the original exam. If he were tested yet again ten days later, the curve of forgetting suggests his score would be about
a. the same as on the second exam. b. one third of his score on the first exam. c. 20 percent of his score on the first exam. d. one half of his score on the first exam.
Since dopamine is primarily an inhibitory neurotransmitter involved in voluntary movement, individuals who are deficient in dopamine would exhibit
a. controllable movement. c. coordinated movement. b. uncontrollable movement. d. smooth movement.
Your brother is worried because his 4-year-old son has an imaginary playmate. What can you tell him about how common or uncommon imaginary playmates are during the preschool years and what is known about children who have imaginary playmates?
What will be an ideal response?