Building on recommendations from several of the articles in the special section on conscientiousness in the June 2014 issue of "Developmental Psychology," the present study tested predictions from the interactionist model (IM) of socioeconomic influences on individual development. In an approach consistent with the idea of cumulative…

Migrant youth are widely considered to engage in more delinquency than their local counterparts because they experience more strains, but few studies have empirically examined the delinquency of migrant adolescents in China. This study applied data of 496 local and 667 migrant adolescents in Shenzhen, China, and examined the effect of migrant…

This investigation examines the spread of problem behaviors (substance use and delinquency) between twin siblings. A sample of 628 twins (151 male twin pairs and 163 female twin pairs) drawn from the Quebec Newborn Twin Study completed inventories describing delinquency and substance use at ages 13, 14, and 15. A 3-wave longitudinal actor-partner…

Graduation rates and standardized test scores are common indicators to measure student academic achievement. These indicators have revealed a gap between two socioeconomic cohorts of students in kindergarten through 12th grade. Students attending high-poverty schools have lower academic performance than students attending low-poverty schools. As a…

Identifying children at the risk of developmental delay can improve their long-term prognosis. In this case--control study, mothers and infants aged 6--18 months referred to healthcare centres affiliated with Qazvin University of Medical Sciences were recruited from August to December 2017. The sample size consisted of 197 individuals in…

This study focused on the ability to experience a high ratio of positive to negative emotions in 807 Israeli adolescents aged 12 to 15 years (50% girls). While considering possible gender differences, we tested a model positing that adolescents' self-control skills would link to their positivity ratio and indirectly through perceived social…

This study examined psychosocial factors influencing smoking intention in Korean male middle school students. We used a descriptive cross-sectional design, based on the biopsychosocial model, to analyze data from 309 male adolescents aged 14-16 years in middle school. Of the psychological factors examined, stress and risk-taking tendency were…

Clinically meaningful behavior problems are thought to be present beginning in the early toddler years, yet few studies have investigated correlates of behavior problems assessed before age 2 years. The current study investigated the direct and interactive contributions of early infant and caregiver characteristics thought to play an important…

We aimed to evaluate the validity of the Ages and Stages Questionnaires Edition 3 (ASQ-3) and the MacArthur communicative development inventory (CDI) as a screening measure for children at risk of language development delay in western rural China, by comparing them to the Bayley Scales of Infant and Toddler Development (BSID-III). We administered…

Emotion regulation (ER) is an integral aspect of emerging adults' mental health, yet little is known about interpersonal factors that influence ER in during this period. This investigation examines emerging adults' desire to emulate parental ER skills in the relation between perceived parental ER and emerging adults' emotion dysregulation. A…

Background: Understanding why youth actively transport to school (ATS) has important health, programming, and policy implications. A growing body of research has revealed that there are common factors that influence this behavior. Collectively, these influences can be categorized into 3 domains: the physical environment (PE), sociocultural…

The divides created by inequalities of income, lopsided growth and by the vicious circle of poverty has ensnared learning and delayed the planned strategies for educational inclusion. India's eighth Five-Year Plan prioritised and allocated increased funding for education with focus on reach-out to the remote interiors and rural India. However,…

Mathematics is the only subject that cut across all sciences; hence the need for students' positive attitudes toward mathematics cannot be underestimated. Students' motivation has been found to be having a positive relationship with the students' attitudes toward mathematics. The aim of the study was to use path analysis to investigate the type of…

Inconsistent parental discipline is a robust correlate of child attention-deficit/hyperactivity disorder (ADHD) symptoms, but few studies have considered the role of inconsistent "positive" parenting on ADHD, as well as the effects of stress on negative and positive parental consistency. This study advanced a novel ecological momentary…

This study examined the psychometric properties of a questionnaire developed with the guidance of the socialization model of child behaviour to understand modifiable correlates of toddlers' physical activity and sedentary behaviour. Findings are based on 118 parents (33.7 ± 4.9 years; 86% female) of toddlers (19.3 ± 2.7 months; 48% female) from…