Daily Companionship in Late Childhood and Early Adolescence: Changing Developmental Contexts

The study employs time-sampling data to examine age differences in the quantity and quality of children's and young adolescents' daily experience with their families, friends, and alone. Participants (ages 9-15) carried electronic pagers for 1 week and reported their companionship, location, and affect at random times when signaled by the pagers. Findings show a dramatic decline in amount of time spent with family, with older students reporting half as much time with their families as younger students. Among boys, this family time was replaced by time spent alone; among girls, by time alone and with friends. Affect reported when with family became less positive between the fifth and seventh grade, but was more positive again in the ninth grade for boys. Affect with friends became more favorable across this age period; affect when alone did not vary. These age differences suggest changes in adolescents' daily opportunities for cognitive growth, emotional development, and social support.     

Early Warning Signs of Functional Illiteracy: Predictors in Childhood and Adolescence

Early childhood, middle childhood, and early adolescence determinants of functional literacy in adulthood are investigated, using 20-year longitudinal data from a sample of black children of teenaged mothers from the Baltimore metropolitan area. Document literacy was assessed by a test that consisted of a subset of items of the National Assessment of Educational Progress (NAEP) adult literacy test. The Baltimore sample is compared to the NAEP sample. Family environmental factors, early childhood developmental level, and educational career factors were considered as predictors of young adulthood literacy. Preschool cognitive and behavioral functioning is highly predictive of literacy in young adulthood, even when the effects of family environmental characteristics, including living arrangements, the quality of the home environment, maternal education, and income, are controlled. Grade failure in elementary school is also associated with literacy, but this effect disappears when the measure of preschool abilities is controlled. Family environmental factors that are predictive of literacy include maternal education, family size in early childhood, maternal marital status, and income in middle childhood and early adolescence. Policy implications of these findings are discussed.     

Developmental Precursors of Relational Aggression From Late Childhood Through Adolescence

Relational aggression—a psychological form of aggression—has numerous negative consequences for physical and emotional health. However, little is known about the risk factors that lead youth to engage in relational aggression. Using multimethod data from a longitudinal research of 674 Mexican-origin youth, this study examined the influence of parents, siblings, and peers on the development of relational aggression. Increases in relational aggression from age 10 to 16 were associated with: (a) low levels of parental monitoring and (b) increased association with deviant peers and siblings. These results held across gender and nativity status. The findings suggest that multiple socialization agents contribute to the development of relational aggression. We discuss the practical implications for reducing relational aggression during adolescence.     

Developmental Personality Types From Childhood to Adolescence: Associations With Parenting and Adjustment

This study examined whether changes in children's self‐reported Big Five dimensions are represented by (developmental) personality types, using a cohort‐sequential design with three measurement occasions across 5 years (four cohorts, 9–12 years at T1; N = 523). Correlates of, and gender differences in, type membership were examined. Latent class growth modeling yielded three personality types: Resilients (highest initial levels on all Big Five), Overcontrollers (lowest Extraversion, Emotional Stability, Imagination), and Undercontrollers (lowest Benevolence, Conscientiousness). Gender differences in type membership were small. Warm parenting, but not overreactive discipline, in childhood was associated with type membership. The types differed in adjustment problems by the end of middle adolescence. Personality change more likely occurs at the level of dimensions within types than in type membership.     

Free-Time Activities in Middle Childhood: Links with Adjustment in Early Adolescence

This study assessed links between free-time activities in middle childhood (hobbies, sports, toys and games, outdoor play, reading, television viewing, and hanging out) and school grades, conduct, and depression symptoms both concurrently and 2 years later, in early adolescence. It also explored two mechanisms that might underlie activity-adjustment links: whether the social contexts of children's activities mediate these links, child effects explain these connections, or both. Participants were 198 children (M = 10.9 years, SD = .54 years) in Year 1, and their parents. In home interviews in Years 1 and 3 of the study, mothers rated children's conduct problems, children reported on their depression symptoms, and information was collected on school grades from report cards. In seven evening phone interviews, children reported on the time they spent in free-time activities during the day of the call and their companions in each activity. Links were found between the nature of children's free-time activities and their adjustment. The social contexts of free-time activities explained activity-adjustment links to a limited degree; with respect to child effects, evidence also suggested that better adjusted children became more involved in adaptive activities over time.     

Behavioral Inhibition in Early Childhood and Adjustment in Late Adolescence in China

This study examined relations between behavioral inhibition in toddlerhood and social, school, and psychological adjustment in late adolescence in China. Data on behavioral inhibition were collected from a sample of 2-year-olds (initial N = 247). Follow-up data were collected at 7 years for peer relationships and 19 years for adjustment across domains. The results showed that early inhibition positively predicted later social competence and school adjustment. Peer relationships in middle childhood served as a protective factor in the development of depression of inhibited children. The results indicate the distinct functional meaning of behavioral inhibition in the Chinese context from a developmental perspective.     

Trajectories of Physical Discipline: Early Childhood Antecedents and Developmental Outcomes

This study examined childhood antecedents and developmental outcomes associated with trajectories of mild and harsh parental physical discipline. Interview, questionnaire, and observational data were available from 499 children followed from ages 5 to 16 and from 258 children in an independent sample followed from ages 5 to 15. Analyses indicated distinct physical discipline trajectory groups that varied in frequency of physical discipline and rate of change. In both samples, family ecological disadvantage differentiated the trajectory groups; in the first sample, early child externalizing also differentiated the groups. Controlling for early childhood externalizing, the minimal/ceasing trajectory groups were associated with the lowest levels of subsequent adolescent antisocial behavior in both samples and with parent–adolescent positive relationship quality in the second sample.     

Time With Peers From Middle Childhood to Late Adolescence: Developmental Course and Adjustment Correlates

This study examined the developmental course and adjustment correlates of time with peers from age 8 to 18. On seven occasions over 8 years, the two eldest siblings from 201 European American, working‐ and middle‐class families provided questionnaire and/or phone diary data. Multilevel models revealed that girls' time with mixed‐/opposite‐sex peers increased beginning in middle childhood, but boys' time increased beginning in early adolescence. For both girls and boys, time with same‐sex peers peaked in middle adolescence. At the within‐person level, unsupervised time with mixed‐/opposite‐sex peers longitudinally predicted problem behaviors and depressive symptoms, and supervised time with mixed‐/opposite‐sex peers longitudinally predicted better school performance. Findings highlight the importance of social context in understanding peer involvement and its implications for youth development.     

Associations Between Early Life Stress and Gene Methylation in Children

Children exposed to extreme stress are at heightened risk for developing mental and physical disorders. However, little is known about mechanisms underlying these associations in humans. An emerging insight is that children's social environments change gene expression, which contributes to biological vulnerabilities for behavioral problems. Epigenetic changes in the glucocorticoid receptor gene, a critical component of stress regulation, were examined in whole blood from 56 children aged 11–14 years. Children exposed to physical maltreatment had greater methylation within exon 1_F in the NR3C1 promoter region of the gene compared to nonmaltreated children, including the putative NGFI‐A (nerve growth factor) binding site. These results highlight molecular mechanisms linking childhood stress with biological changes that may lead to mental and physical disorders.     

Sex Differences in School Science Performance from Middle Childhood to Early Adolescence

We investigated whether the sexes differ in science performance before they make important course and career selections. We collected teacher-report data from a sample of children from the Twins Early Development Study (TEDS) assessed at ages 9, 10 and 12 years (N>2500 pairs). In addition we developed a test of scientific enquiry and administered it to a sub-sample of TEDS (n=1135; age=14 years). We found no evidence for mean sex differences in science performance assessed by teachers, or by a test of scientific enquiry, although boys were somewhat more variable. At a time when adolescents are making important course choices, girls are performing just as well as boys.     

Child Maltreatment and Children's Developmental Trajectories in Early to Middle Childhood

Associations between experiencing child maltreatment and adverse developmental outcomes are widely studied, yet conclusions regarding the extent to which effects are bidirectional, and whether they are likely causal, remain elusive. This study uses the Fragile Families and Child Wellbeing Study, a birth cohort of 4,898 children followed from birth through age 9. Hierarchical linear modeling and structural equation modeling are employed to estimate associations of maltreatment with cognitive and social‐emotional well‐being. Results suggest that effects of early childhood maltreatment emerge immediately, though developmental outcomes are also affected by newly occurring maltreatment over time. Additionally, findings indicate that children's early developmental scores predict their subsequent probability of experiencing maltreatment, though to a lesser extent than early maltreatment predicts subsequent developmental outcomes.     

Stability of Core Language Skill from Early Childhood to Adolescence: A Latent Variable Approach

This four‐wave prospective longitudinal study evaluated stability of language in 324 children from early childhood to adolescence. Structural equation modeling supported loadings of multiple age‐appropriate multisource measures of child language on single‐factor core language skills at 20 months and 4, 10, and 14 years. Large stability coefficients (standardized indirect effect = .46) were obtained between language latent variables from early childhood to adolescence even when accounting for child nonverbal intelligence and social competence and maternal verbal intelligence, education, speech, and social desirability. Stability coefficients were similar for girls and boys. Stability of core language skill was stronger from 4 to 10 to 14 years than from 20 months to 4 years, so early intervention to improve lagging language is recommended.     

国际学前教育发展战略:普及、公平与高质量

近年来,世界主要国家与地区注重通过制定和实施学前教育发展战略保障并促进学前教育事业的积极健康发展.研究发现,当今国际学前教育发展战略主要呈现以下特点:促进学前教育的全面普及是国际学前教育发展战略的基本方向;推进学前教育公平是国际学前教育发展战略的价值追求;促进学前教育优质发展是国际学前教育发展战略的重要目标;以政府为主导是实施国际学前教育发展战略的根本原则;以公共财政为支撑是实施国际学前教育发展战略的坚实保障.这些经验对于我国制定中长期学前教育发展战略具有重要的启示与借鉴价值.     

幼儿早期阅读兴趣的结构与发展特点

幼儿早期阅读兴趣指的是幼儿对阅读活动和阅读材料所表现出的爱好与喜欢倾向的个性心理特征.对幼儿早期阅读兴趣的结构与发展特点所作的研究结果表明:(1)幼儿早期阅读兴趣包括参与性、效能性、倾向性和广泛性四个维度.(2)幼儿早期阅读兴趣在年龄、性别以及年龄与性别的交互作用上差异均不显著.(3)幼儿早期阅读兴趣随年龄增长呈倒"V"型发展趋势.(4)家庭是影响幼儿早期阅读兴趣形成的主要因素.     

Parent–Child Shared Time From Middle Childhood to Late Adolescence: Developmental Course and Adjustment Correlates

The development and adjustment correlates of parent–child social (parent, child, and others present) and dyadic time (only parent and child present) from age 8 to 18 were examined. Mothers, fathers, and firstborns and secondborns from 188 White families participated in both home and nightly phone interviews. Social time declined across adolescence, but dyadic time with mothers and fathers peaked in early and middle adolescence, respectively. In addition, secondborns’ social time declined more slowly than firstborns’, and gendered time use patterns were more pronounced in boys and in opposite‐sex sibling dyads. Finally, youths who spent more dyadic time with their fathers, on average, had higher general self‐worth, and changes in social time with fathers were positively linked to changes in social competence.     

The Impact of Diglossia on Voweled and Unvoweled Word Reading in Arabic: A Developmental Study From Childhood to Adolescence

All native speakers of Arabic read in a language variety that is remarkably distant from the one they use in everyday speech. The study tested the impact of this distance on reading accuracy and fluency by comparing reading of Standard Arabic (StA) words, used in StA only, versus Spoken Arabic (SpA) words, used in SpA too, among Arabic native speakers in Grades 2, 4, 6, 8, and 10 (N = 100). Pseudowords in SpA and StA were also compared. Analysis of variance results revealed significant differences in reading SpA versus StA words across all grades and in reading voweled and unvoweled words. The findings support the effect the linguistic distance between SpA and StA on word reading development.     

Capturing Environmental Dimensions of Adversity and Resources in the Context of Poverty Across Infancy Through Early Adolescence: A Moderated Nonlinear Factor Model

Income, education, and cumulative-risk indices likely obscure meaningful heterogeneity in the mechanisms through which poverty impacts child outcomes. This study draws from contemporary theory to specify multiple dimensions of poverty-related adversity and resources, with the aim of better capturing these nuances. Using data from the Family Life Project (N = 1,292), we leveraged moderated nonlinear factor analysis (Bauer, 2017) to establish group- and longitudinally invariant environmental measures from infancy to early adolescence. Results indicated three latent factors—material deprivation, psychosocial threat, and sociocognitive resources—were distinct from each other and from family income. Each was largely invariant across site, racial group, and development and showed convergent and discriminant relations with age-twelve criterion measures. Implications for ensuring socioculturally valid measurements of poverty are discussed.     

The Vestiges of Childhood Interparental Conflict: Adolescent Sensitization to Recent Interparental Conflict

This study examined whether childhood interparental conflict moderated the mediational pathway involving adolescent exposure to interparental conflict, their negative emotional reactivity to family conflict, and their psychological problems in a sample of 235 children (M_age = 6 years). Significant moderated-mediation findings indicated that the mediational path among Wave 4 interparental conflict during adolescence, change in youth negative reactivity (Waves 4–5), and their psychological problems (Waves 4–6) was significant for teens who experienced low, rather than high, levels of childhood interparental conflict (Waves 1–3). Supporting the stress sensitization model, analyses showed that adolescents exposed to high interparental conflict during childhood evidenced greater increases in negative reactivity than their peers when recent parental conflicts were mild.     

Differential Associations of Distinct Forms of Childhood Adversity With Neurobehavioral Measures of Reward Processing: A Developmental Pathway to Depression

Childhood adversity is associated with altered reward processing, but little is known about whether this varies across distinct types of adversity. In a sample of 94 children (6–19 years), we investigated whether experiences of material deprivation, emotional deprivation, and trauma have differential associations with reward-related behavior and white matter microstructure in tracts involved in reward processing. Material deprivation (food insecurity), but not emotional deprivation or trauma, was associated with poor reward performance. Adversity-related influences on the integrity of white matter microstructure in frontostriatal tracts varied across childhood adversity types, and reductions in frontostriatal white matter integrity mediated the association of food insecurity with depressive symptoms. These findings document distinct behavioral and neurodevelopmental consequences of specific forms of adversity that have implications for psychopathology risk.