?Alessandra Rocha de Albuquerque is professor of the Graduate Program in Psychology at the Catholic University of Brasília, Brazil. She holds a PhD in Psychology from the University of Brasília, Brazil, and was a post-doctoral researcher at the University of Nevada, Reno, USA. She is a collaborator of the Brazilian National Institute of Science and Technology on Behavior, Cognition and Learning (INCT/ECCE). Raquel Maria de Melo is a professor of the Department of Basic Psychological Processes at the University of Brasília, Brazil. She holds a PhD in Psychology from the University of Brasília, Brazil, and a member of the Brazilian National Institute of Science and Technology on Behavior, Cognition and Learning (INCT/ECCE).