The "AMDP scale for dissociation and conversion (AMDP-DK)": development of an observer-rated scale and first psychometric properties

Fortschritte der Neurologie-Psychiatrie
Carsten SpitzerH J Freyberger

Abstract

The AMDP scale for dissociation and conversion (AMDP-DK) represents an observer-rated scale for the assessment of dissociative and conversive phenomena, which closes the gap between available self-report questionnaires and time-consuming structured interviews with their respective disadvantages. The instrument comprises 30 operationalized items, which are rated according to the AMDP rules, and which are theoretically-driven divided into the subscales dissociation (15 items), conversion (9 items) and a "formal" dimension (6 items) to cover associated phenomena. In a sample of psychiatric inpatients (n = 73) the covered symptoms showed a great variety of frequency and intensity. The AMDP-DK and its subscales had good internal consistency (Cronbachs alpha between 0.76 and 0.85). A factor-analysis mostly replicated the theoretically constructed subscales. The convergent and divergent validity of the scale was good, as well as its ability to discriminate between high- and low-dissociating patients. The findings are discussed with regard to the psychometric properties and the relevance for the theories of dissociation and conversion.

Citations

Jun 25, 2005·Der Nervenarzt·H J Freyberger, C Spitzer
May 1, 2013·Journal of Trauma & Dissociation : the Official Journal of the International Society for the Study of Dissociation (ISSD)·Matthias VogelThomas Klauer
Sep 20, 2006·Bulletin of the Menninger Clinic·Carsten SpitzerHans Joergen Grabe
Apr 8, 2017·Journal of Alzheimer's Disease : JAD·Ralf KunschmannMandy Busse
Sep 10, 2014·The Journal of Nervous and Mental Disease·Emma CernisDaniel Freeman
May 10, 2019·Journal of Trauma & Dissociation : the Official Journal of the International Society for the Study of Dissociation (ISSD)·Chandele ButlerWarwick Middleton

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