When the scores in a distribution are positively skewed, the mean will have a value _____
a. lower than the median
b. higher than the median
c. equal to the median
d. either higher or lower than the median, depending on the value of the mode
B
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Mesmer's lasting contribution to psychology is his ____
a. research showing the relationship between syphilis and the mental deterioration seen in general paresis b. development of a textbook for psychiatry that described the major disorders c. demonstration that psychological factors, such as the power of suggestion, can be highly therapeutic d. demonstration that the masses can fall for a false set of beliefs
Evidence from the effects of amygdalar lesions on conditioned fear suggests that
A. no learning can take place without a functioning amygdala. B. conditioned fear cannot be learned without a functioning, but conditioned salivation still proceeds normally. C. the circuit connecting the amygdala and thalamus is capable of identifying fear stimuli without much cortical input. D. the circuit connecting the amygdala and thalamus is incapable of identifying fear stimuli in the absence of cortical input.
What explains the apparent stimulation, feeling of well-being, and outgoing behavior as the initial effects of alcohol ingestion?
A. Depression of the inhibitory centers in the brain B. Activation of the inhibitory centers in the brain C. Depression of the autonomic nervous system D. Stimulation of the autonomic nervous system
People with ________ retardation are slow to develop language skills, and their motor development is also affected, although they are capable of learning occupational and social skills and can learn to travel independently to familiar places
A) moderate B) mild C) severe D) profound