If a set of data has a skewed distribution, which measure of central tendency should be used?
A) mean
B) median
C) mode
D) standard deviation
Answer: B
Rationale: When a distribution is skewed, the mean is pulled away from the center. On the other hand, the median stays relatively stable, and so it is a better choice for describing central tendency when dealing with skewed data.
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b. are surprisingly few in number. c. project to very limited parts of the brain. d. do not have different receptor subtypes.
Attending college in middle adulthood
A) reinforces negative stereotypes of aging. B) is rarely as valuable as attending college in early adulthood. C) often profoundly reshapes the life course. D) is more valuable for men than for women.
Abramson revised the learned helplessness theory to suggest that
a. the worldview dimension of attributions is the most important to depression. b. hopelessness is needed to produce depression, helplessness is not important. c. the number of negative life events someone experiences is more important than his or her attributions for those events. d. the pessimistic attributional style people have about negative events produces depression.
The ___ approach to psychology views the mind as an active and aware problem-solving system. this view contrast with ___ approach to psychology which focus on an organisms physical interactions with the environment.
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