Inter-Rater Reliability of Informants' Ratings: Katz Adjustment Scales, R Form

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Abstract
The Katz Adjustment Scales (R Form) is a widely used instrument for assessing the adjustment of psychiatric patients in the community from reports of friends or family members. Inter-rater reliability of the scales was examined by comparing maternal and paternal ratings of 15 young, adult, male schizophrenic patients prior to hospitalization. Ratings by the two parents were found in close agreement on scales measuring the principal domains of behavior and others on which ratings of directly observable behaviors are required. However, agreement between parents was substantially less on scales requiring inferences about the patients' adjustment. Implications of the findings are discussed.