A researcher designs a study to determine whether female preschoolers prefer sweetened or unsweetened cereal. The researcher first presents the children with the sweet cereal and measures how much they ate. Later, during the same session, the researcher presents the children with the unsweetened cereal and measures how much they ate. The research finds that the group of preschoolers ate more of
the sweetened cereal and therefore prefers the sweetened cereal. Is this conclusion justified?
a. Yes; this conclusion is justified.
b. No; this conclusion is not justified. Individual differences could threaten the results.
c. No; this conclusion is not justified. Time-related variables could threaten the results.
d. No; this conclusion is not justified. Children's gender could threaten the results
c
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Jordon has taken a job that is extremely dangerous, but that pays him enough so that he is sure he will have enough to eat and he will be able to sleep in a warm place each night. According to Maslow's hierarchy of needs, Jordon is probably primarily motivated by
a. safety and security needs. b. cognitive needs. c. the need for self-actualization. d. physiological needs.
The speed of an action potential down an unmyelinated axon is best described as ____
a. the speed of electricity, regardless of the size of the axon b. less than 1 meter per second, regardless of the size of the axon c. faster in thin axons than in thick ones d. faster in thick axons than in thin ones
Degeneration of dopaminergic neurons of the substantia nigra is implicated in
A. amyotrophic lateral sclerosis. B. Parkinson's disease. C. Huntington's disease. D. myasthenia gravis.
When people are in large crowds and anonymous situations:
a. they conform to the situation's specific norms. b. they become mindless and no longer conform to any social norms. c. they become uninhibited and their sexual urges are released. d. they become combative and their aggressiveness is released.