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. 1995;64(3-4):146-8.
doi: 10.1159/000289004.

The Massachusetts General Hospital (MGH) Hairpulling Scale: 2. reliability and validity

R L O'Sullivan  1 , N J Keuthen, C F Hayday, J N Ricciardi, M L Buttolph, M A Jenike, L Baer
Affiliations

The Massachusetts General Hospital (MGH) Hairpulling Scale: 2. reliability and validity

R L O'Sullivan et al. Psychother Psychosom. 1995.

Abstract

Assessment of symptom severity and change in chronic hairpulling has been limited by the absence of a psychometrically validated clinical rating scale. The Massachusetts General Hospital Hairpulling Scale demonstrated test-retest reliability, convergent and divergent validity, and sensitivity to change in hairpulling symptoms.

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