In his book, why did Copernicus switch the positions of the earth and sun, placing the sun at the center of the universe?
a. To explain how lunar eclipses are possible
b. To improve his ability to make astronomical predictions
c. To provide proof for the Ptolemaic and Aristotelian concept of a final, equidistance sphere of fixed stars
d. To eliminate the need for Ptolemy’s equants (hypothetical points)
D
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The major qualification of the research findings on gender differences is that
a. the data are indicative of group differences and tell us little about individuals. b. the findings are based on only a few studies and are therefore not very representative of the population. c. most of the research has been conducted on white middle-class children. d. there is wide variation from study to study in how the variables have been operationalized.
Leo is trying to determine which subcortical brain areas contain receptors for the neurotransmitter substance P. What technique can he use to accomplish this goal?
A. Nissl stain B. autoradiography C. fluorogold labeling D. immunocytochemistry
REM behavior disorder results from _________________
a) too much sleep b) not enough sleep c) failure of the brain mechanisms to block brain signals to the muscles d) deterioration of the medial hypothalamus
If you are like most people, you have experienced stress in your life. What is going on in your body when you are in the midst of the fight-or-flight response? How did Hans Selye describe the body's reaction to stress?
Looking at stress from a more psychological perspective, what have psychologists learned about the importance of cognitive appraisal and the various types of coping responses? What will be an ideal response?