Sigmundsson, Hermundur; Lorås, Håvard; Haga, Monika
(SAGE Publications, 2016-01-25)
The life span approach to development provides a theoretical framework to examine the general principles of development across all ages (Baltes, Lindenberger, & Staudinger, 2006; Craik & Bialystok, 2006). Previously, developmental research has typically ...