David F. Bjorklund is Professor of Psychology at Florida Atlantic University, USA. He has served as Associate Editor of Child Development (1997–2001) and as Editor-in-Chief of the Journal of Experimental Child Psychology (2007–2024) and currently serves as Series Editor for Cambridge Elements in Applied Evolutionary Science. Carlos Hernández Blasi is Professor of Psychology at the Universitat Jaume I of Castellón, Spain. He has enjoyed an international career, serving as a visiting professor and invited lecturer at several institutions, including the Max-Planck Institute for Psychological Research, Florida Atlantic University, the University of Oxford, and Aalborg University.