Francisco Pablo Holgado-tello (Department of Methodology of Behavioral Science, Universidad Nacional de Educación a Distancia (UNED), 28040 Madri, Spain)
Julia Sánchez-García (Zaragoza University Centre of Defense, University of Zaragoza, 50090 Zaragoza, Spain)
José Mena Raposo (Department of Experimental Psychology, University of Seville, 41018 Sevilla, Spain)
Juan C. Suárez-Falcón (Department of Methodology of Behavioral Science, Universidad Nacional de Educación a Distancia (UNED), 28040 Madrid, Spain)
