This study analyzed the multidimensional (including emotional, psychological, and social well-being) profiles of mental well-being and their links to various indicators of successful aging (SA; including diseases, cognitive and physical function, and engagement with life). The analyses were based on the Finnish Jyväskylä Longitudinal Study of…

The present study examined adolescents' and mothers' temperament types and their roles in the socioemotional functioning of early adolescents. A total of 869 sixth-grade students and 668 mothers participated in the study. The students rated their temperament and socioemotional functioning and the mothers rated their own temperament. Latent profile…

While factors influencing maternal emotional availability (EA) have been well investigated, little is known about the development of child EA. The present longitudinal study investigated the role of frontal brain asymmetry in young children with regard to child EA (child responsiveness and involvement) in mother-child interaction in a sample of 28…

This study examined how shyness-sensitivity and unsociability were associated with social, school, and psychological adjustment in Chinese children and adolescents. Participants included 564 children (272 boys, M[subscript age] = 9 years) and 462 adolescents (246 boys, M[subscript age] = 13 years) in a suburban region in China. Data were obtained…

Taiwan has over the past three decades been experiencing demographic changes that may pose important concerns for children's quality of life. This study examines the relationships and potential pathways between family structure transitions and early childhood development. Our analysis is based on 19,499 children from the 2005 birth cohort who…

Goodness of fit has been a key theoretical construct for understanding caregiver-child relationships. We developed an interview method to assess goodness of fit as a relationship construct, and employed this method in a longitudinal study of child temperament, family context, and attachment relationship formation. Goodness of fit at 4 and 8 months…

The timing of having one's first child, in relation to the timing of other transitions into adulthood and to social functioning, was investigated based on the Finnish Jyvaskyla Longitudinal Study of Personality and Social Development, conducted from age 8 (173 females and 196 males) to 42. Results showed that in women, relatively early (less than…

We first examined how war-related traumatic events impact on peer and sibling relations, and how the quality of these relations in turn are associated with children's mental health, indicating a mediation model. Second, we tested the moderating (protective) effects of good peer and sibling relations in attenuating the link between trauma and…

The purpose of the present study was to examine relations between self-perceptions of competence and social, behavioural, and school adjustment in Brazilian, Canadian, Chinese, and Italian children. Self-perception data were collected through children's self-reports. Information about social behaviours, peer acceptance, and school achievement was…