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Psicothema was founded in Asturias (northern Spain) in 1989, and is published jointly by the Psychology Faculty of the University of Oviedo and the Psychological Association of the Principality of Asturias (Colegio Oficial de Psicólogos del Principado de Asturias).
We currently publish four issues per year, which accounts for some 100 articles annually. We admit work from both the basic and applied research fields, and from all areas of Psychology, all manuscripts being anonymously reviewed prior to publication.

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Psychometric properties of the AQ Aggression Scale in Chilean students

Maruzzella Valdivia-Peralta1, Eduardo Fonseca-Pedrero2, Luis González-Bravo3 and Serafín Lemos-Giráldez4

1 Universidad de Concepción (Chile),
2 Universidad de La Rioja,
3 Universidad de San Sebastián (Chile) y
4 Universidad de Oviedo

Background: The Buss and Perry Aggression Questionnaire (AQ) evaluates aggressive behaviours and is used to assess manifestations of aggression. Methods: At different points in time, 346 Chilean university students participated in the validation of the instrument, whose convergent validity was shown in relation to the scales of Psychological Aggression and Physical Aggression of the Conflict Tactics Scale 2 (CTS- 2), and the Salvo Impulsivity Scale. Discriminant validity was found when comparing the scores obtained from a group of students categorized as "Violent" with those of a control group, after a screening test. Results: The AQ scale has appropriate psychometric properties in terms of internal consistency, test-retest reliability, convergent validity and discriminant validity. Four principal factors were obtained in the confirmatory factor analysis. Conclusions: The AQ can be used in Chile to assess aggressive behaviours. Challenges for future research are discussed.

Propiedades psicométricas de la Escala de Agresividad AQ en estudiantes chilenos. Antecedentes: el Cuestionario de Agresión de Buss y Perry (AQ) evalúa conductas agresivas y se utiliza para medir manifestaciones de agresión. Método: trescientos cuarenta y seis estudiantes universitarios chilenos participaron en diferentes momentos de la validación del instrumento, las evidencias de validez convergente se analizaron en relación a las subescalas de Agresión Psicológica y Agresión Física de la Escala de Tácticas de Conflicto 2 y la escala de Impulsividad de Salvo. Las evidencias de validez discriminante se comprobaron en la comparación de las puntuaciones obtenidas en un grupo de estudiantes universitarios identificados como violentos en un screening y el grupo control. Resultados: el AQ presenta propiedades psicométricas adecuadas en términos de consistencia interna, estabilidad test-retest y evidencias de validez convergente y discriminante. Se identificaron cuatro factores principales en el análisis factorial confirmatorio. Conclusiones: el AQ parece ser un instrumento adecuado para evaluar el nivel de conductas agresivas en muestras chilenas. Se plantean desafíos para estudios posteriores.

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