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Initial Development Of The Reasons For Reckless And Destructive Behaviours Inventory: Expanding The Role Of Dissociation In Self-Destructive Behaviours, Matthew F D Brown

Electronic Thesis and Dissertation Repository

Recent research has conceptualized self-destructive behaviours (SDB; e.g., self-injury) as being performed to serve specific functions; however, few measures exist that examine common functions across a range of SDB types. In addition, although dissociative experiences (e.g., depersonalization) are often endorsed by individuals who engage in SDB, measurement of these experiences as reasons for SDB are rarely assessed. In this thesis, we used a trauma-informed approach to evaluate motivations for SDB by initially developing the Reasons for Reckless and Destructive Behaviours Inventory (RRDI). Basic psychometric statistics of reliability, mean item-endorsement, convergent validity, and construct validity were performed across the scales of …