To date, studies using cross-sectional methodologies make up a majority of the literature surrounding children with autism spectrum disorders and participation in physical activity and screen time. Longitudinal studies are needed to examine how physical activity and screen time behaviors co-develop for children with and without an autism spectrum…

Self-regulation is an essential ability of children to cope with various developmental challenges. This study examines the developmental interplay between emotional and behavioral self-regulation during childhood and the relationship with academic achievement using data from the longitudinal Millennium Cohort Study (UK). Using cross-lagged panel…

Juveniles who have committed a sexual offense (JSOs) are thought to have abnormal sexual development, as well as increased ASD symptoms. In the current study, sexual development and behavior, as well as stability of ASD-like symptoms were assessed in a sample of 44 male JSOs (mean age 24.7 ± 1.5 years) 8 years after their sexual offence. JSOs…

It has been commonly held that "children suffer if their mother goes out to work". This research uses several studies--large scale longitudinal data--to look at the development of children whose mothers were employed when those children were very young.

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…

The purpose of the study was to examine the contributions of maternal encouragement of autonomy and maternal encouragement of connectedness to the prediction of children's social behaviors. A sample of children (N = 94), initially aged two years, and their mothers in China participated in the two-year longitudinal study. Child autonomy and…

The purpose of this study was to longitudinally examine the development of anticipatory visual search and to find out the effects of preceding experiences upon the search during the second year of life. The sample consisted of 18 Japanese firstborn nonretarded children from middle-class families who were individually tested at 11, 12, 14, 16, 22,…

Reports the third wave of a longitudinal study that followed 106 15-year-olds from their last compulsory year at school for 22 months. Study shows that this is a period of considerable flux in smoking behavior. Highlights the role of friendship groups and social contexts and suggests that smoking prevention programs should be developed to meet the…

Many studies using questionnaires and observational methods to collect information on the pointing gesture in infants have recently been performed. However, no study based on long-term observation is presently available that deals with the appearance and development of pointing as an interaction between mothers and their children. Therefore, this…

Explored fathers' specific contribution to their children's attachment representation at various ages. Found fathers' play sensitivity to be a better predictor of the child's long-term attachment representation than the early infant-father security of attachment. (Author)

Studied whether behavioral styles at age 3 are linked to personality traits at age 18 after identifying 5 temperament groups (undercontrolled, inhibited, confident, reserved, and well-adjusted). Results pointed to continuities across time. (DR)

This study involves a two-year longitudinal investigation of adolescent participation in unstructured youth recreation centres and the development of antisocial behaviour. Participants were 1163 adolescents who represented 92% of all eighth-grade students in the town of Orebro, Sweden, during the fall of 1999. Antisocial young people and those…

Emotional control has traditionally been emphasized in Chinese culture. The primary purpose of the study was to examine the relevance of early affect to social functioning in Chinese children. A sample of children, initially at two years of age, and their mothers in the People's Republic of China participated in this two-year longitudinal study.…

Forty-eight low socioeconomic status Israeli women were trained to optimize their infants' development through mediational strategies including increase in frequency of focusing, affecting, expanding, encouraging, and regulating behaviors. At three-year follow-up, maternal mediation behaviors were found to be related to specific children's…

Concerning the role of parental smoking on development of adolescent smoking, most studies have exclusively focused on the direct effects of parents' smoking on youths' smoking. However, parental smoking may also play an indirect role by affecting youths' susceptibility to peer influences and by affecting friendship selection. Data were from a…