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Psychometric Properties and Latent Structure of the Portuguese Version of the Penn State Worry Questionnaire

Published online by Cambridge University Press:  10 January 2013

Cristian Castillo ,
Leonardo Macrini ,
Elie Cheniaux  and
Jesús Landeira-Fernandez
Cristian Castillo
Affiliation:
SENAI-CETIQT andPontifícia Universidade Católica do Rio de Janeiro (Brazil)
Leonardo Macrini
Affiliation:
Pontifícia Universidade Católica do Rio de Janeiro (Brazil)
Elie Cheniaux
Affiliation:
Universidade Federal de Rio de Janeiro (Brazil)
Jesús Landeira-Fernandez*
Affiliation:
PUC-Rio andUniversidade Estácio de Sá (Brazil)
*
Correspondence concerning this article should be addressed to Jesús Landeira-Fernandez. Laboratório de Análise de Dados–LAND. Núcleo de Neuropsicologia Clínica e Experimental – NNCE. Departamento de Psicologia. Pontifícia Universidade Católica do Rio de Janeiro, PUC-Rio. Rua Marquês de São Vicente, 225. 22453-900 Rio de Janeiro. RJ. (Brazil). Phone: +55-2135271186. Fax: +55-2135271187. E-mail: [email protected]
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Abstract

Two studies evaluated the psychometric properties and the latent structure of the Portuguese version of the Penn State Worry Questionnaire (PSWQ) in a large Brazilian college student sample. Results indicated that PSWQ had an adequate internal consistency. Exploratory factor analyses yielded a two-factor solution. One factor was related to the worry presence and incorporated all the non-reversed items. The other factor was associated to worry absence and incorporated all the reversed items. Confirmatory factor analysis leaded to a three-factor solution. One factor included all the PSWQ items whereas the two other factors were linked to the reversed and non-reversed worded items. Correlations coefficients of these two reversed and non-reversed factors with the total scores of the PSWQ and the trait form of the State-Trait Anxiety Inventory suggest that PSWQ has a single meaningful construct.

Dos estudios evaluaron las propiedades psicométricas y la estructura latente de la versión portuguesa del Penn Worry State Questionnaire (PSWQ) en una muestra de gran tamaño de estudiantes universitarios de Brasil. Los resultados indicaron que el PSWQ tenía una adecuada consistencia interna. Un análisis factorial exploratorio ofreció una solución de dos factores. Un factor estaba relacionado con la presencia de preocupación e incluía todos los ítems no invertidos. El otro factor estaba asociado a la ausencia de preocupación e incluía todos los ítems invertidos. Un análisis factorial confirmatorio condujo a una solución de tres factores. Un factor incluía todos los elementos del PSWQ mientras que los otros dos factores estaban relacionados con los ítems redactados de forma directa e inversa. Los coeficientes de correlación de estos dos factores (de los ítems invertidos y no invertidos) con las puntuaciones totales del PSWQ y la versión rasgo del Inventario de Ansiedad Estado-Rasgo (STAI) sugieren que un único constructo subyace a la estructura del PSWQ.

Keywords

Penn State Worry Questionnairepsychometric propertiesfactor structureexploratory factor analysisconfirmatory factor analysisPenn State Worry Questionnairepropiedades psicométricasestructura factorialanálisis factorial exploratorioanálisis factorial confirmatorio
Type
Research Article
Information
The Spanish Journal of Psychology , Volume 13 , Issue 1 , May 2010 , pp. 431 - 443
Copyright
Copyright © Cambridge University Press 2010

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