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Peer reviewedLinaker, Olav M.; Helle, Jon – Research in Developmental Disabilities, 1994
This study found that the schizophrenia subscale of the Psychopathology Instrument for Mentally Retarded Adults was a valid quantitative measure of schizophrenia if one item was removed from the scale. Comparison with a nonretarded population indicated that mentally retarded patients had less delusions and more incoherence and flat affect. They…
Descriptors: Adults, Affective Behavior, Diagnostic Tests, Drug Use
