%V 16 %D 2019 %T Propiedades psicométricas de una versión breve del Driving Anger Expression Inventory en conductores españoles [Psychometric Properties of a Short Version of the Driving Anger Expression Inventory (DAX) in Spanish Drivers] %N 1 %J Acción Psicológica %K Driving anger, Aggressive driving, Desadaptative anger expression, Psychological assessment, Road safety %A David Herrero-Fernández %A Mireia Oliva-Macías %A Pamela Parada %I UNED %X Driving 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. %R doi:10.5944/ap.16.1.22364 %L uneatlantico161 %P 63-74