Prenatal Reflective Functioning and Accumulated Risk as Predictors of Maternal Interactive Behavior During Free Play,the Still‐Face Paradigm,and Two Teaching Tasks

This study examined whether prenatal reflective functioning (RF) was related to mothers’ interactive style across contexts with their 6‐month‐old infants (M age = 6.02 months, SD = 0.41, 54% boys), and to what extent quality of prenatal RF could account for the influence of accumulated risk on maternal interactive behavior. Accumulated risk was defined as the sum‐score of a selection of risk factors that have been associated with suboptimal infant development. Mother–infant dyads (N = 133) were observed during free play, two teaching tasks, and the Still‐Face Paradigm (SFP). Better prenatal RF was associated with more positive maternal behavior in all settings and less negative behavior during teaching and SFP reengagement. Accumulated risk and prenatal RF predicted shared variance in maternal interactive behavior (with unique predictive effects observed only for RF on sensitivity during teaching and SFP play, and for accumulated risk on sensitivity and positive engagement during SFP play, and internalizing‐helplessness during SFP reengagement). Accumulated risk had an indirect effect on maternal sensitivity during teaching and SFP play through prenatal RF. These findings suggest not only that RF may be targeted prenatally to improve mother–infant interactions, but also that enhancing RF skills may ameliorate some of the negative consequences from more stable perinatal risk factors that influence parent–child interactions.     

Student‐Perceived Mothers’ and Fathers’ Beliefs,Mathematics and English Motivations,and Career Choices

According to Eccles and Jacobs' (1986) parent socialization model, parents’ gendered ability and value beliefs influence girls’ and boys’ interpretations of those beliefs, and hence students’ domain‐specific valuing of tasks and competence beliefs and subsequent career plans. Studies have rarely analyzed how both student‐perceived mothers’ and fathers’ beliefs affect girls’ and boys’ task values, success expectancies, and career plans across domains. This study analyzed survey data of 459 students (262 boys) assessed through Grades 9, 10, and 11 from three coeducational secondary schools in Sydney, Australia. Longitudinal structural equation models revealed gendered value transmission pathways for girls in mathematics. Although mathematics test scores did not vary statistically significantly, girls reported statistically significantly lower mothers’ ability beliefs for them in mathematics than boys at Time 1, which led to their statistically significantly lower mathematics intrinsic value at Time 2 and mathematics‐related career plans at Time 3. Such gendered pathways did not occur in English. Matched same‐gender effects and gendered pathways in parent socialization processes were evident; perceived mothers’ value beliefs were more strongly related to girls’ than boys’ importance values in English. Student‐perceived fathers’ ability beliefs positively predicted boys’, not girls’, importance value in mathematics. Implications for educational practice emphasize the need to target girls’ and boys’ interest when aiming to enhance their mathematical career motivations.     

Longitudinal Associations Between Other‐Sex Friendships and Substance Use in Adolescence

The impact of the changes in the gender composition of friendship networks during early adolescence on substance use in late adolescence was examined. The hypothesis was that initial level and increase in the proportion of other‐sex friends in the network would be associated with higher levels of substance use among girls, but not among boys. Girls and boys (n=390) were interviewed annually from ages 12 to 18 (79% retention). For both boys and girls, initial level in the proportion of other‐sex friends predicted alcohol use in late adolescence, whereas it was predictive of drug use in girls only. Moreover, for girls only, a faster increase in the proportion of other‐sex friends in the network predicted later use of alcohol and drugs.     

Emerging coherence and relations to communication among executive function tasks in toddlers: Evidence from a Latin American sample

Recent work within early executive function (EF) seems to suggest that toddlers show distinct patterns of development, involving poorly correlated performance across EF tasks and significant improvements over relatively short periods of time. The present study sought to extend these findings by investigating evidence for these patterns in toddlers and the existence of more traditional patterns of EF (e.g., correlations between tasks, links to language) when using the same tasks in a novel Latin American sample. Eighty toddlers (18–24 months) and sixty young preschoolers (30–36) months completed a battery of EF tasks, early social communication, and receptive and expressive language measures. Results indicated that toddlers showed similar distinct patterns of development (i.e., few relations between tasks and links to responding to joint attention), but by early preschool a more cohesive EF and links to language were present. Further, work demonstrated significant age (older children outperformed younger children), gender (girls outperformed boys), and socioeconomic differences (satisfied basic needs outperformed unsatisfied basic needs, but only on the snack delay). This work provides evidence for patterns of emerging EF development within this novel cultural sample (and evidence for group differences) that may be supported by communicative and representational development.     

The Role of School Contexts in Adolescents' Weight‐loss Behaviors and Self‐perceptions of Overweight

Using the National Longitudinal Study of Adolescent to Adult Health and multilevel modeling, this study investigates the role high school social contexts play in the development of adolescents' weight‐loss behaviors and overweight self‐perceptions. Overall, the results indicate that there is an important association between adolescents' weight‐loss behaviors and self‐perceptions of overweight and the weight‐related context of their school. For example, both adolescent boys and girls are less likely to engage in weight‐loss behaviors when overweight is prevalent among their same‐sex schoolmates. However, gender differences are also found. For example, while adolescent boys' self‐perceptions of overweight are significantly associated with their same‐sex schoolmates' characteristics and behaviors, this is not the case for adolescent girls. Overall, these findings suggest that meso‐level social contexts—such as schools—may be particularly important to how individuals incorporate macro‐level beliefs or values—such as gendered body ideals—into their own behaviors and self‐concepts.     

Infant Side Biases and Familiarity‐Novelty Preferences During a Serial Paired‐Comparison Task

We monitored changes in looking that emerged when 3‐ to 6‐month‐old infants were presented with 48 trials pairing familiar and novel faces. Graphic displays were used to identify changes in looking throughout the task. Many infants exhibited strong side biases produced by infants looking repeatedly in the same direction. Although an overall novelty preference was found for the group, individual infants exhibited brief novelty runs. Few infants began with a familiarity preference. We argue that variable looking patterns emerged during the task from competition between the infants' preference to look for something novel versus their tendency to look back to previous locations. Our data suggest that looking during paired‐comparison tasks is a dynamic process dependent on perceptual‐motor events happening during the task itself.     

Sex Differences in Infants' Mapping of Complex Occlusion Sequences: Further Evidence

Recently, infant researchers have reported sex differences in infants' capacity to map their representation of an occlusion sequence onto a subsequent no‐occlusion display. The research reported here sought to identify the extent to which these sex differences are observed in event‐mapping tasks and to identify the underlying basis for these differences. Two experiments were conducted with 9.5‐, 10.5‐, and 11.5‐month‐olds using the following task. First, infants were shown an occlusion event in which a box and a ball emerged successively to opposite sides of a screen. Then, the screen was lowered and infants saw a single ball on the platform. Boys first showed prolonged looking to the 1‐ball display at 10.5 months, suggesting that at 10.5 months, boys detected the inconsistency between the box‐ball occlusion sequence and the final 1‐ball display. In contrast, girls first showed prolonged looking to the 1‐ball display at 11.5 months. However, girls did show prolonged looking at 10.5 months if they were shown an outline of the box‐ball occlusion sequence prior to the test trials. These results provide converging evidence for the conclusion that boys are more likely than girls to successfully map complex occlusion sequences onto no‐occlusion displays. These results also suggest that boys perform better on event‐mapping tasks because they are more adept at extracting the simple structure of complex occlusion sequences that they can then retrieve and compare to the final display, but that girls can extract the simple structure under more supportive conditions. Possible reasons for these robust, albeit transient, sex differences are suggested.     

Gender,Culture and Intervention: Exploring Differences between Aboriginal and Non‐Aboriginal Children’s Responses to an Early Intervention Programme

Evaluation of a group parenting programme in the Northern Territory of Australia showed significant differences in benefits for Aboriginal and non‐Aboriginal boys and girls. The analysis considers whether boys and girls from different cultural backgrounds present with different problems; whether parental expectations for boys and girls differ and whether the intervention activates different responses in different settings. Conclusions suggest that there is a need to closely examine the ‘cultural logic’ of interventions, the appropriateness of their assumptions about child development and hypothesised mechanisms of change in different settings.     

SEX DIFFERENCES IN SCHOOL PERFORMANCE DURING HIGH SCHOOL: Puzzling Patterns and Possible Explanations

While past explanations for sex differences in school performance are heavily geared toward explaining boys’ small advantage on standardized math tests, we broaden the focus to include educational outcomes for which girls typically do well—standardized reading tests and math and English grades. Among adolescents in the National Education Longitudinal Study, girls enjoy better English and math grades and higher reading test scores than boys in eighth grade and these advantages all increase during high school. In contrast, boys earn slightly higher math test scores in eighth grade and this gap also increases slightly by the end of high school. This set of patterns leaves us with a puzzle—why do girls and boys excel at different components of schooling? We explore models that assess the degree to which these different trajectories can be explained by sex differences in classroom behavior and out‐of‐class activities. We conclude that a major reason for sex differences in grades is boys’ poorer classroom behavior while sex differences in time spent outside of school should supplement previous explanations for test scores gaps.     

Situational Interest and Scientific Self‐Efficacy: Influence of an Energy Science Career Intervention

This study examined the efficacy of a career intervention aimed at promoting adolescents’ perceptions of scientific self‐efficacy (SSE), as well as interest in specific activities and careers relevant to energy science. One hundred thirty‐four adolescents (60 girls, 74 boys) completed self‐efficacy and interest measures on 4 occasions (Time [T] T1 to T4]) during the course of the 6‐day intervention. Results of latent change modeling yielded evidence of significant growth in SSE from T1 to T4. Results of a multiple regression analysis also revealed that situational interest in an energy science activity at T2 was a significant positive predictor of SSE at T4, thus offering further clarity regarding the theorized sequence of causal relations between interest and self‐efficacy. Findings call attention to the need for future research on the role of task‐level interest in the social cognitive career theory framework and highlight the importance of mastery experiences in the delivery of science, technology, engineering, and mathematics career interventions.     

Implicit and Explicit Peer Evaluation: Associations With Early Adolescents’ Prosociality,Aggression, and Bullying

Implicit and explicit peer evaluations were assessed among 120 early adolescents (56 boys, 64 girls; M age = 11.1 years). Explicit peer evaluations were round‐robin ratings of likeability; implicit peer evaluations were assessed with an approach‐avoidance task, also using a round‐robin design. Prosocial behavior, aggression, and bullying were assessed with a standard peer nominations procedure. Prosocial behavior predicted explicit positive evaluations given and received. Bullying and physical aggression predicted receiving explicit negative evaluations from peers. Implicit negative biases were found for girls but not boys. Relationally aggressive girls and bullying girls showed a negative implicit bias toward their peers. Possible implications for intervention are discussed.     

The Development of Body Self‐Awareness

Two experiments examined toddlers' performance on a new task designed to examine the development of body self‐awareness. The new task was conceived from observations by Piaget (1953/1977) and theoretical work from Povinelli and Cant (1995) and involved a toy shopping cart to the back of which a small mat had been attached. Children were asked to push the cart to their mothers but in attempting to do so they had to step on the mat and in consequence, their body weight prevented the cart from moving. In the first experiment, performance on the shopping cart task was examined in children of 16 and 21 months both when the self was the obstacle and when a heavy weight was the obstacle. Results showed significant improvement with age in performance for the self‐version of the task that was not matched by similar age differences in the weight task. In the second experiment, children's performance on both the self‐version of the shopping cart and on a standard mirror self‐recognition task was assessed. Results showed a significant correlation independent of age for these 2 tasks. These findings provide further evidence for the notion that toddlers develop an objective awareness of the self during the 2nd year. They are also consistent with the idea that body self‐awareness is heightened in situations requiring self‐monitoring during movement.     

Gender‐ and Age‐Related Differences in the Association Between Social Relationship Quality and Trait Levels of Salivary Cortisol

The majority of studies linking individual differences in the quality of social relationships and activity of the hypothalamic‐pituitary‐adrenal (HPA) axis have focused on the early development of attachment between infants and their caregivers. Later in development, during middle childhood and adolescence, the parallel HPA links to age‐appropriate social relationships with peers, parents, and siblings remain largely unspecified. This study addressed this knowledge gap. Early morning saliva samples were obtained from 367 children in middle childhood (ages 6–10) and 357 adolescents (M age=11–16 years) on two successive days 1 year apart and assayed for cortisol. Latent state–trait modeling was employed to separate variance in cortisol levels attributable to “stable trait‐like” versus “state or situational specific” sources to minimize the high moment‐to‐moment variation in basal adrenocortical activity. During adolescence but not middle childhood, and for girls but not boys, lower levels of “trait cortisol” were associated with poor quality social relationships. The pattern was robust, extending to the quality of relationships with parents, siblings, and peers. Importantly, the relationship was independent of the rates of internalizing or externalizing problem behavior. We found that isolating the variance in cortisol levels attributable to stable intrinsic sources revealed an interpretable pattern that linked individual differences in basal HPA activity to social relationships during adolescence. Studies are needed to reveal the biosocial mechanisms involved in the establishment of this gender‐ and age‐specific phenomenon and to decipher whether or not individual differences in this hormone‐behavior link are adaptive.     

Neural Correlates of Encoding Predict Infants’ Memory in the Paired‐Comparison Procedure

The present study used event‐related potentials (ERPs) to monitor infant brain activity during the initial encoding of a previously novel visual stimulus, and examined whether ERP measures of encoding predicted infants’ subsequent performance on a visual memory task (i.e., the paired‐comparison task). A late slow wave component of the ERP measured at encoding predicted infants’ immediate performance in the paired‐comparison task: amplitude of the late slow wave at right‐central and temporal leads decreased with stimulus repetition, and greater decreases at right‐anterior‐temporal leads during encoding were associated with better memory performance at test. By contrast, neither the amplitude nor latency of the negative central (Nc) component predicted infants’ subsequent performance in the paired‐comparison task. These findings are discussed with respect to a biased competition model of visual attention and memory.     

Parental Problem Drinking and Adolescent Psychosocial Adjustment: The Mediating Role of Adolescent–Parent Communication

This study explored the relations between parental problem drinking, adolescent–parent communication, and adolescent psychosocial adjustment. Surveys were administered to a diverse sample of 683 15–17‐years‐old adolescents in the spring of 2007 and again in the spring of 2008. Results indicated that paternal problem drinking directly predicted substance use (alcohol and drug use) for boys, but not for girls. In contrast, maternal problem drinking directly predicted substance use (drug use) for girls, but not for boys. Adolescent–parent communication also mediated the relationship between parental problem drinking and psychosocial adjustment for girls, but not for boys. These gender differences highlight the need to consider both the gender of the adolescent and the parent when examining parental problem drinking and adolescent adjustment.     

A Comparison of Visual Familiarization and Object‐Examining Measures of Categorization in 9‐Month‐Old Infants

Three studies were conducted to determine whether differential patterns of categorization observed in studies using visual familiarization and object‐examining measures hold up as procedural confounds are eliminated. In Experiment 1, we attempted as direct a comparison as possible between visual and object‐examining measures of categorization. Consistent with previous reports, 9‐month‐old infants distinguished a basic‐level contrast (dog–horse) in the visual task, but not in the examining task. Experiment 2 was designed to reduce levels of nonexploratory activity in an examining task; 9‐month‐olds again failed to distinguish categories of dogs and horses. In Experiment 3, we adopted a paired‐comparison test format in the object‐examining task. Infants did display a novel category preference under paired testing conditions. The results suggest that the different patterns of categorization often seen in looking and touching tasks are a reflection, not of different categorization processes, but of the differential sensitivity of the tasks.     

Children's Well‐Being during Parents' Marital Disruption Process: A Pooled Time‐Series Analysis

On the basis of a large, nationally representative multiwave panel, this research examines the extent to which parents' marital disruption process affects children's academic performance and psychological well‐being at 2time points prior to and 2 time points after parental divorce. The results of a pooled time‐series analysis show that compared with peers in intact families, children of divorce fare less well in most well‐being measures at all 4 time points, from approximately 3 years before divorce to 3 years after divorce. Interestingly, whereas the effects of the disruption process on students' test scores demonstrate a linear decline over time, the effects on their social‐psychological measures exhibit a U‐shaped time pattern. Families in the process of marital disruption are also characterized by a deficit in economic and social resources at various time points of this process. These differences in family resources either partially or completely mediate the detrimental effects of the disruption process over time. Furthermore, the process of marital disruption appears to affect girls to the same extent that it does boys. Finally, the causal role of divorce in affecting children is also discussed.     

Predicting Well‐Being and Internalizing Symptoms in Late Adolescence From Trajectories of Externalizing Behavior Starting in Infancy

This study aimed to examine the long‐term prediction of well‐being and internalizing symptoms from trajectories of externalizing behavior problems in 921 children from a population‐based sample. We found that a high stable trajectory of externalizing behavior from infancy (age 1.5) to mid‐adolescence (age 14.5) predicted lower scores on life satisfaction and flourishing for both girls and boys (age 18.5). The high stable trajectory also predicted higher levels of depressive symptoms in boys and anxiety symptoms in girls (age 18.5). The findings are noteworthy as they document how a person‐oriented study of externalizing behavior problems starting in infancy can predict well‐being and internalizing in late adolescence. The findings underline the importance of early health promotion and problem intervention efforts.     

Infant Sex Moderates the Effects of Maternal Pre‐ and Postnatal Stress on Executive Functioning at 8 Months of Age

Previous studies report that early life stress, including maternal pre‐ and postnatal stress, has adverse effects on cognitive development and that these associations might be sex‐specific. However, no studies exist on early life stress and infant executive functioning (EF). The aim of this study was to examine the relationship between maternal pre‐ and postnatal stress and infant EF, and whether these associations are moderated by infant sex. Maternal prenatal depressive, general anxiety, and pregnancy‐specific anxiety symptoms were measured three times, and postnatal depressive and general anxiety symptoms were measured 6 months postpartum. Infant EF was assessed with a modified A‐not‐B task 8 months postpartum (N = 214). Maternal postnatal general anxiety predicted poorer EF in girls in comparison with boys. Moreover, there was a trend toward an interaction between prenatal anxiety and infant sex such that prenatal anxiety predicted infant EF differently in girls and in boys. No association was found between depressive symptoms or pregnancy‐specific anxiety symptoms and infant EF. These findings suggest that maternal anxiety may have sex‐specific effects on early EF and that pre‐ and postnatal stress may differently affect infant EF/cognitive development. The implications of these findings and important future directions are discussed.     

Relational Strains and Delinquency: Assessing the Gendering of Emotions’ Claims among Chinese Adolescents*

This study assesses the gendering of emotions’ claims in an understudied population, that is, adolescents in mainland China. Specifically, it examines gender variations in the emotional reactions to relational strains and gendered responses to emotions with types of delinquency. Data drawn from over 500 middle‐school students from an urban city in China yield results in support of general strain theory in most respects, but culture‐specific patterns are noted. In general, Chinese boys and girls respond to different domains of relational strains, and relational strains are more strongly associated with depression than anger. Furthermore, boys respond to relational strains with anger more often than do girls, whereas girls and boys are about equal in responding to strains with depression. Gender differences are observed concerning responses to emotions with delinquency. Boys are more likely than girls to use aggression in response to anger and depression, whereas no gender differences are manifested in the reaction to emotions with non‐aggressive delinquency. Gender patterns are also noted in the assessment of negative emotions as mediators of the strain–delinquency relationship. We address these findings along with other observations in light of general strain theory and sociocultural factors pertinent to mainland China.