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The Massachusetts General Hospital (MGH) Hairpulling Scale: 2. Reliability and Validity
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1995
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ReliabilityNursingPsychological Co-morbiditiesPsychiatryTest-retest ReliabilityPatient SafetyMassachusetts General HospitalComorbiditySymptom SeverityMental HealthMedicineHealth Services ResearchPsychopathologyChronic HairpullingHospital Medicine
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.