Item Response Theory-based validation of a short form of the Disordered Eating Attitude Scale (DEAS-s) to a Brazilian sample

Item Response Theory-based validation of a short form of the Disordered Eating Attitude Scale (DEAS-s) to a Brazilian sample

This study aimed to validate a short version of the Disordered Eating Attitude Scale (DEAS-s). To this end, 2,902 adult individuals answered the original DEAS and informed age, weight, and height. Data were analyzed using the full-information factor analysis and Item Response Theory (IRT) analysis....

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Bibliographic Details
Main Authors: Marle dos Santos Alvarenga, Thanise Sabrina Souza Santos, Dalton Andrade
Format: Article
Language:English
Published: Escola Nacional de Saúde Pública, Fundação Oswaldo Cruz 2020-02-01
Series:Cadernos de Saúde Pública
Subjects:
Psychometrics
Multivariate Analysis
Eating Disorders
Questionnaires
Reliability and Validity
Online Access:http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-311X2020000204001&tlng=en

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