Psychometric Properties of Trichotillomania Severity Measures

Barber, KE; Woods, Douglas W.; Bauer, Carolyn M.; Twohig, Michael P.; Saunders, Stephen M.; Compton, Scott N.; Franklin, Martin E.

doi:10.1007/s10608-023-10406-4

Cogn Ther Res

2023

DOI: 10.1007/s10608-023-10406-4

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Psychometric Properties of Trichotillomania Severity Measures

KE Barber

Douglas W. Woods

Carolyn M. Bauer

et al.

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Cited by 2 publications

References 75 publications

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Pulling Sites in Trichotillomania: Exploring Differences in Characteristics, Phenomenology, and Contextual Variables

Barber,

Capel,

Merl

et al. 2023

Cogn Ther Res

View full text Add to dashboard Cite

Pulling Sites in Trichotillomania: Exploring Differences in Characteristics, Phenomenology, and Contextual Variables

Barber,

Capel,

Merl

et al. 2023

Cogn Ther Res

View full text Add to dashboard Cite

Developing and Evaluating a Situated Assessment Instrument for Trichotillomania: The SAM² TAI

Taylor Browne Lūka,

Hendry,

Dutriaux

et al. 2024

Assessment

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Measuring trichotillomania is essential for understanding and treating it effectively. Using the Situated Assessment Method (SAM2), we developed a psychometric instrument to assess hair pulling in situations where it occurs. In two studies, pullers evaluated their pulling in relevant situations, along with how much they experience factors that potentially influence it (e.g., external triggers, reduction in negative emotion, negative self-thoughts). Individual measures of pulling, averaged across situations, exhibited high test reliability, construct validity, and content validity. Large differences between situations in pulling were observed, along with large individual-situation interactions (with limited evidence distinguishing focused versus automatic pulling subtypes). In linear regressions for individual participants, factors that influence pulling tended to correlate with pulling as predicted, explaining a median 74%–83% of its variance. By identifying factors that predict pulling for each individual across situations, the SAM2 Trichotillomania Assessment Instrument (TAI) offers a rich understanding of an individual’s pulling experience, potentially supporting individualized pulling interventions.

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Psychometric Properties of Trichotillomania Severity Measures

Cited by 2 publications

References 75 publications

Pulling Sites in Trichotillomania: Exploring Differences in Characteristics, Phenomenology, and Contextual Variables

Pulling Sites in Trichotillomania: Exploring Differences in Characteristics, Phenomenology, and Contextual Variables

Developing and Evaluating a Situated Assessment Instrument for Trichotillomania: The SAM² TAI

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Psychometric Properties of Trichotillomania Severity Measures

Cited by 2 publications

References 75 publications

Pulling Sites in Trichotillomania: Exploring Differences in Characteristics, Phenomenology, and Contextual Variables

Pulling Sites in Trichotillomania: Exploring Differences in Characteristics, Phenomenology, and Contextual Variables

Developing and Evaluating a Situated Assessment Instrument for Trichotillomania: The SAM2 TAI

Contact Info

Product

Resources

About

Developing and Evaluating a Situated Assessment Instrument for Trichotillomania: The SAM² TAI