Major depressive disorder is a mood disorder that is characterized by __________
a) overwhelming sadness, despair and hopelessness.
b) inappropriate affect and disorganized behavior.
c) dramatic swings in mood ranging from ecstasy to despair.
d) depression that comes and goes with the seasons.
a
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Experiments are more valuable than other research methods because ________
a. they are always double-blind. b. they can determine correlations. c. they require informed consent. d. they allow a determination of cause-effect relationships.
Causes for intellectual disability include
A. prenatal influences. B. postnatal influences. C. perinatal influences. D. all of these are correct
Research results suggest that within the first year of life infants fine tune both their auditory and visual systems to relevant information that occurs
a. in a novel situation c. in a series of specific training scenarios. b. as part of a random pattern of stimuli d. as part of their day-to-day experience.
Research tends to show that the relationship between the accuracy of an eyewitness' testimony and the eyewitness' confidence or certainty is
A. relatively strong. B. relatively weak. C. strong when the eyewitness is a female and weak when the eyewitness is a male. D. strong only when the eyewitness was under stress while observing the crime.