Parents' cultural beliefs are associated with their children's socialization and development. Researchers have examined these associations through the lens of parents' ethnotheories, which refer to parents' implicit beliefs about children's developmentally appropriate behavior. In contrast to prior work focused on parents' ethnotheories of…

This article focuses on the link between social norms and behavioral development as presented in research on norms regarding bullying and aggression. The aim is to present a conceptual framework for how classroom norms may explain children's decisions to defend others or refrain from defending. Norms emerge from group consensus about what is…

Which domain-specific self-evaluations are most central to children's global self-worth? And does this differ between countries with different levels of collectivism-individualism? We conducted a preregistered cross-cultural meta-analysis to address these questions. We included 141 independent samples (21 countries/regions, 584 cross-sectional…

Higher accepted friends are known to influence the alcohol misuse of lower accepted friends, but not the reverse. The present study was designed to address the origins of this influence: Are higher accepted friends particularly "influential" or are lower accepted friends particularly "susceptible" to influence? To address this…

Moral emotions are experienced in daily life and are crucial for mediating appropriate social behaviors, as they prevent individuals from committing transgressions. In this study, caregivers of 377 children aged between 2.5 and 6.5 years old completed the Moral Emotions Questionnaire (MEQ), a parent report aimed to separately identify the presence…

To study the role of executive function (EF) in the early development of aggression, the role of cool and hot EF skills at 5 years old, in the development of physical and relational aggression between 5 and 6 years old, was explored. Typically developing children (N = 80) completed tasks assessing their cool (inhibition, working memory, planning)…

Human observations can only capture a portion of ongoing classroom social activity, and are not ideal for understanding how children's interactions are spatially structured. Here we demonstrate how social interaction can be investigated by modeling automated continuous measurements of children's location and movement using a commercial system…

Changes in best friendship quality during adolescence coincide with the emergence of romantic relationships. This study aimed to examine the extent to which changes in friendship quality (intimacy, conflict, emotional support) between the ages of 16 and 22 varied according to four romantic involvement patterns (Late, Sporadic, Long-Term, Frequent)…

Social norms are vital for the functioning of adolescent peer groups; they can protect the well-being of groups and individual members, often by deterring harmful behaviors, such as aggression, through enforcement mechanisms like peer victimization; in adolescent peer groups, those who violate aggression norms are often subject to victimization.…

This study examined variations in the development of classroom aggression popularity norms, as well as the role of homeroom teachers' aggression beliefs and students' perceptions of teachers' support as predictors of such variations. To achieve this goal, a sample of 63 classrooms were assessed at four time points during a school year, in nine…

We assessed the psychometric properties of the Social Behavior Questionnaire (SBQ), a 30-item questionnaire evaluating social (e.g., disruptive behaviors, bullying) and emotional problems (e.g., anxiety, depression) among children aged 3.5-12 years. Children (n = 1,950, 50.21% boys) were drawn from the Quebec Longitudinal Study of Child…

This article examined the psychometric properties and validity of a new self-report instrument for assessing the social norms that coordinate social relations and define self-worth within three normative systems. A survey that assesses endorsement of honor, face, and dignity norms was evaluated in ethnically diverse adolescent samples in the U.S.…

Background: The objective was to determine whether infant neurobehavior measured at five post-gestational weeks could predict social and communicative behavior (SCB) through five and eight years. Methods: Infant neurobehavior was assessed using the Neonatal Intensive Care Unit Network Neurobehavioral Scale, and SCB was measured using the Social…

The current study investigated whether children's conformity to a majority testimony influenced their willingness to revise their own erroneous counting knowledge. The content of the testimonies focused on conventional rules of counting, by means of pseudoerrors (i.e., unconventional counts) occurring during a detection task. In this work…

Lying is an interpersonal exercise that requires the intentional creation of a false belief in another's mind. As such, children's development of lie-telling is related to their increasing understanding of others and may reflect the acquisition of basic social skills. Although certain types of lies may support social relationships, other types of…