Which of the following makes vision similar to the senses of taste and smell?
A. Photopigments
B. Accommodation
C. Wavelength
D. Amacrine cells
Answer: A
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Two samples, each with n = 8, produce an independent-measures t statistic of t = –2.15 . Which of the following decisions is justified for a two-tailed test?
a. Reject H0with ? = .05 but fail to reject with ? = .01 b. Reject H0with both ? = .05 and? = .01 c. Fail to reject H0 with both ? = .05 and? = .01 d. Fail to reject H0 with ? = .05 but reject H0with ? = .01
You are in the forest and see a large, snarling, drooling grizzly bear running directly toward you. The adrenaline rush you feel is controlled by the
a. sympathetic nervous system. b. parasympathetic nervous system. c. central nervous system. d. neurotransmitter dopamine.
As experimental control increases:
a. external validity decreases. b. external validity increases. c. the more relevant the study to real-world problems. d. we become less able to rule out alternative hypotheses.
The unpleasant state that can occur when people become aware of inconsistencies between their attitudes, or between their attitudes and their behavior, defines _____
a) compliance. b) discrimination. c) cognitive dissonance. d) prejudice.