Acta Psychologica
International differences in the speed of cognitive development: A systematic examination of the existence of the Simber Effect
Publication date: October 2023Source: Acta Psychologica, Volume 240Author(s): David Becker, Gerhard Meisenberg, Edward Dutton, Salaheldin Farah Attallah Bakhiet, Fayez Abdulaziz Alfayez, Yossry A.S. Essa