El propósito del presente estudio fue analizar las diferencias en los niveles de arousal entre sujetos Tipo A y Tipo B. Las medidas de arousal consistieron en un cuestionario autoinformado (Escala de Predisposición al Arousal de Coren) y dos medidas psicofisiológicas (tasa cardíaca y nivel de conductancia de la piel) tomadas en estado de reposo. El análisis psicométrico de la Escala de Predisposición al Arousal reveló: una aceptable fiabilidad, un adecuado poder discriminativo de los items y la capacidad de clasificar correctement a los sujetos Tipo A y Tipo B. Los resultados indicaron que los sujetos Tipo A mostraron una mayor predisposición a un mayor estado de activación y unos mayores niveles en la actividad electrodermal.
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