Abstract
ResumenLa ira en la conducción y los comportamientos agresivos que se derivan de esta emoción pueden afectar negativamente el desempeño en la conducción. Para evaluar este tipo de comportamientos es necesario contar con instrumentos fiables y válidos. Uno de los más utilizados es el Driving Anger Expression Inventory, que en su forma completa consta de 50 ítems. Esto hace que se trate de un instrumento excesivamente extenso. El objetivo de este estudio (de tipo transversal) fue desarrollar una versión breve del Driving Anger Expression Inventory que permitiera evaluar en poco tiempo la frecuencia de diferentes tipos de expresión de la ira al volante. Para ello se contó con una muestra de 441 conductores que rellenaron la versión completa del Driving Anger Expression Inventory, extrayéndose los ítems que mayores cargas factoriales mostraban a partir de un Análisis Factorial Confirmatorio. De esta manera se obtuvo una versión de 22 ítems que ajustaron satisfactoriamente en cinco factores: Expresión verbal de la ira (α = .84), Expresión física (α = .76), Expresión mediante el propio vehículo (α = .74), Expresión desplazada (α = .78) y Expresión adaptativa (α = .77). Se comentan las principales implicaciones de estos resultados, así como las limitaciones del estudio.AbstractDriving anger and its derived aggressive behaviors may affect driving negatively. In order to assess this kind of behaviors it is necessary to have reliable and valid psychometric instruments. One of the most one is the Driving Anger Expression Inventory, which in its long form is composed of 50 items. It makes it an excessive long questionnaire. The aim of the present research was to develop a brief version of the Driving Anger Expression Inventory to assess in few minutes the frequency of different types of anger expression behind the wheel. Therefore a sample composed of 441 drivers who completed the long version of the Driving Anger Expression Inventory. Afterwards, those items with highest factor loadings in the Confirmatory Factor Analysis were chosen to compose the new short form. Finally, a 22-item version was proposed. It fitted satisfactorily in five factors, similarly to the long form: Verbal anger expression (α = .84); Physical anger expression (α = .76); Expression through the vehicle (α = .74); Displaced expression (α = .78), and Adaptative expression (α = .77). Implications of the results are discussed.
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