Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Testing the Reliability and Construct Validity of Short-Term Assessment of Risk and Treatability (START) in Non-Western Forensic Psychiatric Inpatients

Version 1 : Received: 12 January 2022 / Approved: 13 January 2022 / Online: 13 January 2022 (15:57:05 CET)

How to cite: Sanmontree, W.; Wongupparaj, P. Testing the Reliability and Construct Validity of Short-Term Assessment of Risk and Treatability (START) in Non-Western Forensic Psychiatric Inpatients. Preprints 2022, 2022010195 (doi: 10.20944/preprints202201.0195.v1). Sanmontree, W.; Wongupparaj, P. Testing the Reliability and Construct Validity of Short-Term Assessment of Risk and Treatability (START) in Non-Western Forensic Psychiatric Inpatients. Preprints 2022, 2022010195 (doi: 10.20944/preprints202201.0195.v1).

Abstract

The Short-Term Assessment of Risk and Treatability (START) is deemed the most appropriate instrument for assessing violence risks and management because of its balanced approach between dynamic risk and protective factors. Although several facets of reliability and predictive validity of this tool were strong, its inter-rater reliability, construct validity, and implementation in Asian population were under-investigated. The objective of this research was to examine the inter-rater reliability and construct validity of the START: Thai version within forensic psychiatric inpatients. The participants consisted of 118 forensic psychiatric inpatients hospitalized at Galya Rajanagarindra Institute in Thailand. Trained mental health professionals (i.e., psychiatrists, forensic nurses, clinical psychologists, social workers, and occupational therapists) assessed each participant across twenty domains of the Thai START. The inter-rater reliability was examined using the intraclass correlation coefficient and a confirmatory factor analysis for ordinal data was used to test the construct validity of the scale. The main finding showed a good-to-excellent inter-rater reliability and supported two relational constructs (i.e., strength vs vulnerability subscales) of the Thai START. The Thai START is a promising tool for using in Thai forensic psychiatric setting but some items were not significant in contributing to the scale. This study also provides the guideline for implementing the tool in non-Western forensic psychiatric populations.

Keywords

Thai START; Forensic psychiatric inpatients; Confirmatory factor analysis with ordinal data; Violence risk assessment; forensic psychology; Psychometrics

Subject

BEHAVIORAL SCIENCES, Clinical Psychology

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