The reason that "onset prior to age 18" is part of the DSM-IV diagnostic criteria for mental retardation is that:
A. the diagnosis indicates that the individual was affected during the developmental period
B. the diagnosis is not intended to include individuals who have suffered any form of brain damage
C. the diagnosis has legal implications for children
D. this diagnosis is reserved for children; other diagnostic terms are applied once the mentally retarded individual reaches the age of 18
A. the diagnosis indicates that the individual was affected during the developmental period
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The tendency to focus on only a single aspect of a problem is called
a. assimilation. b. centration. c. conservation. d. identification.
The Harvard definition of death refers to
a. no heartbeat. b. no longer breathing. c. brain stops functioning. d. both a and b. e. none of the above.
Eysenck sees the characteristics of personality as being related to the four types of temperament first recognized by the early Greeks. Which of the following is the correct match between the temperament and its definition?
a. melancholic---hot-tempered, irritable b. choleric--------cheerful, hopeful c. sanguine-------sad, gloomy d. phlegmatic-----sluggish, calm
It is likely that a behavior that shows cycles of high rates of response followed by low rates of response has been reinforced on a ____ schedule of reinforcement
a. ?fixed ratio b. ?variable ratio c. ?fixed interval d. ?variable interval