According to some authors, the utility of distinguishing between positive and negative symptoms in schizophrenia is questioned because:
a) They are dimensions that coexist within the same patient
b) There are no available measurement instruments for these symptoms
c) The majority of patients do not exhibit either type of symptom
d) There have been no attempts to define their characteristics
a
Psychology
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a) reciprocal reinforcement. b) primary reinforcement. c) partial reinforcement. d) secondary reinforcement.
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For most U.S. children today, ________ is the beginning of formal schooling.
A. kindergarten B. daycare C. preschool D. first grade
Psychology