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Walker, Elaine; And Others – Child Development, 1989
Examined effects of parental psychopathology and maltreatment on behavior of 102 children with mean ages of 9.75 years. Parental psychiatric status and maltreatment interacted significantly, so that offspring of schizophrenic parents from maltreating families showed increases in externalized behavior problems over time. (RJC)
Descriptors: Aggression, Behavior Problems, Child Abuse, Child Development

Swiezy, Naomi B.; And Others – Research in Developmental Disabilities, 1995
The validity of the schizophrenia subscale of the Psychopathology Instrument for Mentally Retarded Adults (PIMRA) was evaluated with 65 adults having mild to moderate mental retardation as well as either schizophrenia, depression, or no psychopathology. Univariate and multivariate analyses were conducted, as were interrater reliability analyses.…
Descriptors: Adults, Clinical Diagnosis, Depression (Psychology), Disability Identification

Linaker, 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