In a frequency polygon the points are plotted over _______ at a height corresponding to the frequency of the interval
a. the midpoint of each interval c. the upper real limit
b. the lower real limit d. none of these
A
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Which of the following statements best describes the relationship between correlation and causation?
A. Correlation does not imply causation. B. Correlation directly implies a causal inference. C. Correlation and causation refer to the same thing. D. Correlation is confounded with causation.
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What will be an ideal response?
Which statement is correct regarding the lateral hypothalamus?
A. Electrical stimulation of the lateral hypothalamus produces eating. B. Reduced eating is noted after injection of lipid into the lateral hypothalamus. C. The lateral hypothalamus can alter metabolism. D. Obesity is the result of damage to the lateral hypothalamus.
What is the contrast principle of perception?
(a) That some stimuli are seen better against light than dark backgrounds. (b) That presenting two items in succession that differ substantially from one another in some way will make the second seem even more different from the first than it is. (c) That presenting two items in succession that are quite similar to one another will make the second seem even more similar to the first than it is. (d) None of the above.