Which of the following activities is inconsistent with drive-reduction theory?
a) eating food that tastes bad
b) going swimming on a hot day
c) eating when you are not hungry
d) smoking pot to relax
ANS: C, This behavior contradicts drive-reduction theory because there is no drive to be reduced if you are not hungry
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According to the two-stage model of attraction proposed by Byrne et al. (1986), people
a. seek partners who are similar with respect to physical attractiveness, but dissimilar with respect to attitudes. b. seek partners who are similar with respect to attitudes, but dissimilar with respect to personality. c. first approach similar others and then weed out those who are least similar. d. first avoid dissimilar others and then approach those remaining who are most similar.
Every time Becky goes to the dentist, she arranges a signal with the doctor that will let him know that she would like him to stop the procedure for a few moments. This signal
a. will create a distraction for the doctor, helping him to minimize pain. b. is an application of the lock and key theory of pain. c. is an application of the counterirritation method for controlling pain. d. will allow Becky to regulate and control the painful stimulus, so she will suffer less.
What is the major problem associated with self-selection as a way to assign participants to the experimental and control groups?
A) The treatment necessarily will work in the experimental group because those participants are especially motivated. B) The two groups probably will differ on many variables besides whether or not they received the treatment. C) Self-selection violates the requirement for informed consent. D) Self-selection prevents the manipulation of the independent variable and measurement of the dependent variable.
Myelinated axons have large numbers of ion channels
A. along the entire length. B. at the axon hillock and nodes of Ranvier. C. only at the axon terminals. D. only at the axon hillock.