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Comparative Study
Some methodological issues in using aggression rating scales in intervention studies among institutionalized elderly.
- A Shah.
- Imperial College School of Medicine, London, England, UK. a.k.shah@ic.ac.uk
- Int Psychogeriatr. 1999 Dec 1; 11 (4): 439-44.
BackgroundAggressive behavior among geriatric psychiatry inpatients spontaneously declines during serial measurements over time with rating scales.MethodEvidence for decline in aggressive behavior, over a 6-week period, on a continuing-care geriatric psychiatry ward was examined with the Staff Observation Aggression Scale (SOAS) and the Rating Scale for Aggressive Behavior in the Elderly (RAGE).ResultsThe RAGE and all its subitems did not spontaneously decline. The total number of aggressive incidents on the SOAS, the SOAS total score, and the subitem scores, except for the SOAS results subitem, spontaneously declined after Week 4 and became established by Week 5.ConclusionA "run in" period of at least 4 weeks may be needed in intervention studies using the SOAS to reduce contamination by spontaneous decline.
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