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Journal of Caring Sciences
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Article History
Submitted: 11 Feb 2016
Revised: 12 Jun 2017
Accepted: 17 May 2017
First published online: 28 Nov 2017

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J Caring Sci. 2017;6(4):335-343 doi: 10.15171/jcs.2017.032

Vailation of the Persian Version of the Staff Observation Aggression Scale-Revised in Psychiatric Patients

Original Research

Masoud Siratinir * , Muhammad Gooshi, Abbas Ebadi, Abbas Tavallai, Abolfazl Mohammadi


Introduction: In psychiatric settings, aggressive events frequently occur during therapy. These events, which tend to threaten the safety of the patient and the staff, can lead to the enforcement of compulsory measures such as the isolation or restraining of the patient. The use of a proper standard scale to register aggression can facilitate the assessment and control of aggression and help reduce its frequency and severity. The review of literature revealed only a few studies conducted on aggressive behavior in hospitalized psychiatric patients in Iran and showed that the lack of a reliable and valid observation scale for registering in psychiatric settings. The aim of this study is to evaluate the validity and reliability of the Staff Observation Aggression Scale—Revised (SOAS-R). Methods: This psychometric study of the scale was conducted to determine the validity and reliability of the SOAS-R. The validation of the scale was assessed on the basis of 319 aggressive events in the psychiatric wards of the Baqiyatallah and Roozbeh hospitals. Convenience sampling was used for subject selection. Psychometric properties of SOAS-R were studied in two stages. First, the standard scale was translated according to the International Quality of Life Assessment (IQOLA) translation methodology. The face validity, content , and construct validity of the translated version were then determined. The construct validity of the scale was assessed by comparing the known groups. Results: The internal consistency of the whole scale was 0.99. The intra-class correlation coefficients (ICC) were 0.852–0.995 while kappa coefficient was 0.43 to 0.65 for the different aspects of the SOAS-R. The validity of the scale was concurrently assessed by using the Visual Analogue Scale (VAS), with a Spearman-Brown correlation coefficient of 0.90. Conclusion: These results showed a favourable validity and reliability for the Persian version of the SOAS-R for the assessment of aggressive behaviour in psychiatric patients.

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Articles by Siratinir M
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Articles by Siratinir M
Articles by Gooshi M
Articles by Ebadi A
Articles by Tavallai A
Articles by Mohammadi A

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