Abstract
A Japanese version of the Suicide Intervention Response Inventory (SIRI-J) had been developed, but needed improvement especially with respect to the number of items. This study was designed to develop and evaluate a short version of the SIRI-J (SIRI-JS). Study 1 used factor analysis, which revealed that the SIRI-J included two components. On the basis of these results, we extracted five items from each component, added three items to represent practical crisis-intervention situations, and drafted the SIRI-JS with 13 items. We also confirmed a strong correlation between the original subscales and those of the short version. Study 2 reconfirmed the validity and reliability of the new measure. In summary, we demonstrated that the SIRI-JS is suitable for assessing the effects of suicide-prevention training.
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