Measuring Psychometric Properties of the Inventory of Motivations for Suicide Attempts (IMSA)

The study of the Psychometric Properties Inventory that considers the Motivations for Suicide Attempts in all the theories concerned it can be proportional to the type of motivation, confined for evaluation, diagnosis and intervention. The purpose of this research was to measuring psychometric properties of the Inventory of Motivations for Suicide Attempts (IMSA). The sample consisted of 250 suicide attempted persons who were selected by Purposive sampling method. The data was analyzed through exploratory and confirmatory factor analysis. The results of the exploratory factor analysis identified 9 factors, which in total, explained 64.11% of the variance in mental pain. 43 items in 9 factors were validated by confirmatory factor analysis. Cronbach’s alpha was 0.94 for the whole IMSA, 0.83 for Hopelessness, 0.75 for Psychache, 0.76 for Escape, 0.68 for Burdensomeness, 0.68 for Low Belongingness, 0.68 for Fearlessness, 0.72 for Interpersonal Influence, 0.75 for Help-Seeking and 0.73 for Impulsivity. Persian version of Inventory of Motivations for Suicide Attempts (IMSA) has acceptable psychometric properties among Suicide Attempts and can be used as a valid tool for both clinical and research goals when a comprehensive assessment of Motivations for Suicide Attempts is needed.