Validation of the English language version of the Violent Ideations Scale (VIS)

McKenzie, Karen, Murray, Aja, Murray, George, Maguire, Amy, Eisner, Manuel and Ribeaud, Denis (2021) Validation of the English language version of the Violent Ideations Scale (VIS). Journal of Interpersonal Violence, 36 (5-6). pp. 2942-2952. ISSN 0886-2605

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Abstract

This study used a within participant design to evaluate the concurrent validity and test-retest reliability of the Violent Ideations Scale in a general population, English-speaking opportunistic sample. Data from 116 adult participants (M age = 33.7, SD = 11.9, male = 30 [25.9%]) were used to compare scores on the Violent Ideations Scale and Aggression Questionnaire and responses to the Schedule of Imagined Violence. A sub-group of 27 participants (M age = 37.2, SD = 13.6, male = 8 [29.6%]) completed the Violent Ideations Scale on a second occasion, two weeks later. The Violent Ideations Scale was found to correlate significantly with the Aggression Questionnaire subscale and total scores, with the strongest correlations being with physical aggression and total scores. Participants were more likely to be categorised as having experienced a violent ideation based on responses to the Violent Ideation Scale, compared to the Schedule of Imagined Violence, most likely due to the Schedule of Imagined Violence underestimating the prevalence of violent ideation. A significant, strong correlation was found between total Violent Ideations Scale scores at Time 1 and Time 2. Overall, the Violent Ideations Scale was found to have concurrent validity when compared with the Aggression Questionnaire and good test-retest reliability, suggesting that it would be suitable for use with a non-clinical, English-speaking sample.

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