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Original Articles

Portuguese Norms for the Waterloo-Stanford Group C (WSGC) Scale of Hypnotic Susceptibility

Portugiesische Normen der Waterloo-Stanford Group C (WSGC) Scale of Hypnotic Susceptibility

Claudia Carvalho, Irving Kirsch, Giuliana Mazzoni und Isabel Leal

Normes portugaises de l'échelle de susceptibilité hypnotique de Waterloo-Stanford, groupe C (WSG : C)

Claudia Carvalho, Irving Kirsch, Giuliana Mazzoni et Isabel Leal

Las normas portuguesas para la Escala Grupal de Susceptibilidad Hipnótica Waterloo-Stanford C (WSGC)

Claudia Carvalho, Irving Kirsch, Giuliana Mazzoni, y Isabel Leal

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Pages 295-305 | Received 27 Nov 2006, Accepted 19 Mar 2007, Published online: 27 Oct 2010
 

Abstract

Portuguese norms for the Waterloo-Stanford Group C (WSGC) scale of hypnotic susceptibility are presented. A Portuguese translation of this scale was given to 625 Portuguese college students. Score distribution, item analysis, and reliability of the WSGC are presented and compared to three North American samples. The findings show that normative data from the Portuguese sample are congruent with the reference samples. The only significant difference obtained was a lower proportion of participants scoring within the high range of hypnotic suggestibility on the WSGC.

Zusammenfassung

In diesem Artikel werden portugiesische Normen für die Waterloo-Stanford Group C (WSGC) scale of hypnotic susceptibility berichtet. Eine portugiesische Übersetzung der Skala wurde 625 portugiesischen Studenten vorgelegt. Die Verteilung der Werte, eine Itemanalyse und die Reliabilität der WSGC werden dargestellt und mit drei nordamerikanischen Stichproben verglichen. Die Befunde zeigen dass die normativen Daten aus der portugiesischen Stichprobe mit den Referenzstichproben übereinstimmen. Der einzige signifikante Unterschied bestand in einem geringeren Anteil von Teilnehmern im oberen Bereich der hypnotischen Suggestibilität (WSGC).

Ralf Schmaelzle University of KonstanzKonstanz Germany

Résumé

Cet article porte sur les normes portugaises de l'échelle de susceptibilité hypnotique de Waterloo-Stanford, groupe C (WSG: C). Une traduction portugaise de cette échelle a été administrée à 625 étudiants universitaires portugais. La distribution des résultats, l'analyse des items et la fiabilité du WSG : C y sont présentées et comparées avec celles de trois échantillons nord-américains. Les résultats montrent que les données normatives de l'échantillon portugais sont en accord avec les échantillons deréférence. La seule différence significative était la proportion plus faible de participants ayant obtenu des résultats élevés de suggestibilité hypnotique à l'échelle WSG : C.

Johanne Reynault C. Tr. (STIBC)

Resumen

Presentamos las normas portuguesas para la Escala Grupal de Susceptibilidad Hipnótica Waterloo-Stanford C (WSGC). Administramos una traducción portuguesa de esta escala a 625 estudiantes universitarios portugueses. Analizamos distribución de puntuaciones, análisis de reactivos, y confiabilidad de la WSGC y los comparamos con 3 muestras estadounidenses. Los resultados muestran que los datos normativos de la muestra portuguesa son consistentes con las muestras de referencia. La única diferencia significativa fue una proporción inferior de participantes con puntuaciones altas de sugesionabilidad en el WSGC.

Etzel Cardeña Lund UniversityLund Sweden

Funded by Fundação para a Ciência e Tecnologia (Foundation for Science and Technology), Portuguese Office for Science, Technology and Superior Education, Grant #SFRH/BD/13028/2003.

The authors would like to thank SHU undergrad student Kara Kaminsky and ISPA graduate student Filipa Pimenta for their assistance on data collection. We are also grateful to the head of Seton Hall University's undergraduate psychology department, Professor Jeff Levy as well as Instituto Superior de Psicologia Aplicada's director Professor Frederico Pereira, for permitting data collection and the colleagues from Instituto Superior de Psicologia Aplicada, Cristina Quelhas, Ph.D., Marta Guerreiro, M.S., Olívia Ribeiro, M.S., Csongor Juhos, M.S., Miguel Tecedeiro, M.S., Susana Algarvio, M.S., José Abreu Afonso, M.S., Rui Bártolo, M.S., Maria João Gouveia, M.S., Pedro Almeida, M.S., Ana Ramirez, M.S. and from the Instituto Superior Técnico, Beatriz Condessa, Ph.D. and Isabel Ramos, M.S. All of them allowed direct access to their students making possible this study.

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