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Psychometric Properties of the Spanish Version of the Thougth-Shape Fusion Questionnaire

Published online by Cambridge University Press:  10 January 2013

Ignacio Jáuregui Lobera ,
Miguel Angel Santed ,
Roz Shafran ,
María José Santiago  and
Sonia Estébanez
Ignacio Jáuregui Lobera*
Affiliation:
Universidad Pablo de Olavide (Spain)
Miguel Angel Santed
Affiliation:
Universidad Nacional de Educación a Distancia (Spain)
Roz Shafran
Affiliation:
University of Reading (UK)
María José Santiago
Affiliation:
Instituto de Ciencias de la Conducta (Spain)
Sonia Estébanez
Affiliation:
Instituto de Ciencias de la Conducta (Spain)
*
Correspondence concerning this article should be addressed to Ignacio Jáuregui Lobera. Virgen del Monte 31. 41011 Sevilla (Spain). Phone: +34 954280789. Fax: +34 954278167. E-mail: [email protected] & [email protected]
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Abstract

The objectives of the study were to analyze the psychometric properties, factor structure and internal consistency of the Spanish version of the Thought-Shape Fusion Questionnaire (TSF-Q), as well as to determine its validity by evaluating the relationship of the TSF-Q to different instruments.

Two groups were studied: one comprising 146 patients with a diagnosis of anorexia (n = 82), bulimia (n = 33) or unspecified eating disorder (n = 31), and another group of 115 undergraduates with no history of psychological disorder. All participants completed the TSF-Q, TAF-Q, EDI-2, STAI, BDI and SCL-90-R. Differences in TSF-Q scores between the diagnostic subgroups were also analyzed.

Two factors were obtained which coincided with the two sections indicated by the authors of the questionnaire: conceptual and interpretative. The internal consistency of the TSF-Q and its subscales was determined by means of Cronbach's alpha, with values ranging between .93 and .96. The correlations with other instruments reflected adequate validity. There were no significant differences between the diagnostic subgroups.

The Spanish version of the TSF-Q meets the psychometric requirements for measuring thought-shape fusion and shows adequate internal consistency and validity.

Los objetivos del estudio fueron analizar las características psicométricas del Thougt-Shape Fusion Questionnaire (TSF-Q), su estructura factorial y consistencia interna, así como las relaciones del TSFQ con diferentes instrumentos para determinar su validez.

Se estudiaron 146 pacientes con anorexia (n = 82), bulimia (n = 33) o trastorno de la conducta alimentaria no especificado (n = 31), y un grupo de 115 estudiantes sin antecedentes de interés psicopatológico. Todos completaron el TSF-Q, TAF-Q, EDI-2, STAI, BDI y SCL-90-R. Las diferencias en las puntuaciones del TSF-Q entre los subgrupos diagnósticos fueron también analizadas.

Se obtuvieron dos factores, coincidentes con las dos secciones conceptual e interpretativa señaladas por los autores del cuestionario. La consistencia interna del TSF-Q y de sus subescalas se determinó mediante el coeficiente alfa de Cronbach, que osciló entre .93 y .96. Las correlaciones con otros instrumentos reflejaron una adecuada validez. No hubo diferencias significativas entre los subgrupos diagnósticos.

El TSF-Q, en su versión española, cubre los requisitos psicométricos para medir la fusión pensamientoforma y presenta adecuada consistencia interna, así como una adecuada validez.

Keywords

thought-shape fusioneating disorderscognitive distortionpsychometric validationfusión pensamiento-formatrastornos de la conducta alimentariadistorsión cognitivavalidación psicométrica
Type
Research Article
Information
The Spanish Journal of Psychology , Volume 15 , Issue 1 , March 2012 , pp. 410 - 423
Copyright
Copyright © Cambridge University Press 2012

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