The Massachusetts General Hospital (MGH) Hairpulling Scale: 1. Development and Factor Analyses
Nancy J. Keuthen(Massachusetts General Hospital), Richard O’Sullivan(Harvard University Press), Joseph N. Ricciardi(Harvard University Press), David Shera(Harvard University Press), Cary R. Savage(Harvard University Press), Andrea S. Borgmann(Harvard University Press), Michael A. Jenike(Harvard University Press), Lee Baer(Harvard University Press)
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Abstract
We developed the MGH Hairpulling Scale to provide a brief, self-report instrument for assessing repetitive hairpulling. Seven individual items, rated for severity from 0 to 4, assess urges to pull, actual pulling, perceived control, and associated distress. We administered the scale to 119 consecutive patients with chronic hairpulling. Statistical analyses indicate that the seven items form a homogenous scale for the measurement of severity in this disorder.
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