Measuring dissociative symptoms and experiences in an Australian college sample using a short version of the Multidimensional Inventory of Dissociation

Using university students and staff, this paper investigated a 60-item version of the Multidimensional Inventory of Dissociation (MID).

Resource Abstract

“This paper investigated a 60-item version of the Multidimensional Inventory of Dissociation (MID) with the potential to capture the full range of dissociative symptoms that characterize each of the dissociative disorders (DD). The 28-item Dissociative Experiences Scale (DES) was designed to capture a wide range of dissociative phenomena, but college population studies indicate it may not be adept at identifying the full range of dissociative symptoms and disorders. The 218-item MID has the advantage of capturing the full range of dissociative symptoms and has diagnostic capabilities for all DSM-5 DD, but the disadvantage of taking considerably longer than the DES to complete. Using university students and staff (N = 313), this paper investigated a 60-item version of the MID with the potential to capture the full range of dissociative symptoms that characterize each of the DD. Results indicate the MID-60 has a nearly identical factor structure to the full MID, excellent internal reliability, and content and convergent validity. Using the MID-60, at least 8% of participants at an Australian university were positive for a DD and, on average, participants self-reported having dissociative experiences 13% of the time. The present study’s findings suggest the MID-60 is a promising alternative to the DES, with results about the prevalence of DDs and dissociative experiences consistent with those found using clinical interviews and the DES.”

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Kate, M. A., Jamieson, G., Dorahy, M. J., & Middleton, W. (2021). Measuring dissociative symptoms and experiences in an Australian college sample using a short version of the Multidimensional Inventory of Dissociation. Journal of Trauma & Dissociation, 22(3), 265–287. https://doi.org/10.1080/15299732.2020.1792024