The study aimed to find out which differences and similarities emerge in the self-concepts of early and late adolescents and young, middle-aged, and older adults. A total of 822 participants, including 530 adolescents aged 9-19 (over 50% were girls) and 292 adults aged 20-71 (over 80% were women), from Estonia provided their spontaneous…

Research on the development of self-regulation has focused primarily on the roles of maternal behavior and attention, but cognitive understanding of the self is also likely to contribute, as is exposure to maternal depression. In this study toddlers' understanding of self-as-object and understanding of agency were assessed behaviorally at both 20…