The Quantification of Violence Scale: a simple method of recording significant violence

The International Journal of Social Psychiatry
Peter TyrerTony Maden

Abstract

Although there are many rating scales recording the incidence and intensity of violence there are none that are specifically concerned with the measurement and assessment of severe violence. To develop a scale sensitive to variation centred on severe violence, establish its normative values, test its feasibility, and assess its reliability and validity in different populations. The Quantification of Violence Scale (QOVS) was developed in two stages. First, a list of 30 commonly experienced violent episodes in clinical psychiatric practice were evaluated and tested by weighting each episode by severity. Second, a numerical scale used to record the severity of the episode according to its degree of planning, intent and consequences. Violent episodes in two clinical populations were compared using the Modified Overt Aggression Scale (MOAS) and the preliminary version of the QOVS over periods up to 18 months, following which the numerical scale was developed. Good (0.60-0.74) to Excellent (> 0.75) test-retest and inter-rater reliability agreement was obtained with both forms of the scale (intra-class correlations of 0.75 and 0.69 respectively), and similar agreement with MOAS scores was reached (0.67) in clinical populations. The s...Continue Reading

References

Dec 1, 1987·Acta Psychiatrica Scandinavica·T Palmstierna, B Wistedt
Feb 1, 1993·International Journal of Nursing Studies·E F Morrison
Jun 20, 2002·Acta Psychiatrica Scandinavica. Supplementum·Phil Woods, R Almvik
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Jan 13, 2006·The International Journal of Social Psychiatry·Swapna VermaSiow-Ann Chong
Sep 1, 2005·The International Journal of Social Psychiatry·Earl S HishinumaLinda A Revilla

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Citations

Sep 20, 2011·International Journal of Law and Psychiatry·M E van Leeuwen, J M Harte
Sep 1, 2011·The Journal of Nervous and Mental Disease·Nuria Martínez-MartínJulio Bobes

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