Children show less positivity toward gender-nonconforming (GN) than gender-conforming (GC) peers. Yet, little is known about children's reasoning about peers of varying gender expressions, including age-, gender-, and culture-related influences. We investigated how children aged 4- to 5- and 8- to 9-years-old in Hong Kong and Canada (N = 678)…

Objective: Physical activity (PA) is essential to promote both optimal physical and emotional health in preschool children. Hence, well-founded PA guidelines are essential. 24-hour Movement Guidelines (which include PA, recreational screen time and sleep) have been established. Thus, this study aimed to explore preschool-aged children's adherence…

Whether high quantities of center-based care cause behavior problems is a controversial question. Studies using covariate adjustment for selection factors have detected relations between center care and behavior problems, but studies with stronger internal validity less often find such evidence. We examined whether within-child changes in hours in…

The authors investigate the personality traits of parents and children and their significant influence on the behavior of the other. Using the HEXACO model of personality, the authors examine the behavior of one hundred parent-child dyads on a playground to understand broader parent-child relationships. Their analyses reveal two opposed types of…

The risk potentiation model of cognitive control posits that inhibitory control heightens children's risk for problematic outcomes in the context of shyness because it limits shy children's ability to engage flexibly with their environment. Although there is empirical support for the risk potentiation model, most studies have been restricted to…

Instability in early childhood education and care (ECEC) arrangements may have detrimental consequences on children's mental health. This study examined ECEC trajectories in the first 30 months of life for 373 children from low-income families in Toronto. We provide information about patterns of instability and reasons for instability. We also…

The present study investigated whether distinct developmental patterns of externalizing behaviors (EBs: hyperactivity-impulsivity, noncompliance, physical aggression) based on parent reports were repeatedly and differentially associated with separate dimensions of internalizing problems such as general anxiety, separation anxiety, and depressive…

Background: Delinquent behaviours among youth harms health and social trajectories, and public health broadly. Despite evidence that engaging in and being victimized by delinquent behaviours often cluster, most studies have examined the clustering of delinquent behaviours or victimization experiences independently. Information on patterns of…

The present study investigated prenatal and early postnatal risk factors associated with developmental patterns of disruptive behaviors (DBs; e.g., hyperactivity-impulsivity, noncompliance, physical aggression) from ages 1.5 to 5 years in a population birth cohort (N = 2,057; 50.7% boys). Six high-trajectory classes obtained by latent growth…

Elevated caregiver strain is common and linked to poor health in parents of children with autism. Yet, little research has examined caregiver strain longitudinally and in geographically diverse samples of parents whose children have autism. This study aimed to (1) examine change in caregiver strain and (2) determine correlates of improved…

Given the value placed on honesty and the negative consequences of lying, encouraging children's truth-telling is important. The present investigation assessed honesty promotion techniques for encouraging 3-8-year-old Canadian children's (Study 1: n = 301, 54% female; Study 2: n = 229, 50% female from predominantly White middle-class samples)…

This study explored the changes in routine and emotional themes experienced by families of children with learning differences or disabilities due to mandatory school closures during COVID-19 in Québec, Canada. A questionnaire was used to compare the family routines of 21 participants before and after the school closures. The study's findings…

In light of the growing phenomenon of parent-child digital co-play of online games, we conducted a study to understand the different ways of digital co-play and how they can offer opportunities for the child's learning. We analyse four cases of parent-child digital co-play on "Let's Play" gaming videos with "Roblox" on YouTube.…

The home environment is an important contributor to children's literacy experiences. One activity that is frequently investigated is parent-child storybook reading. The present study examined book-reading interactions between 60 parent-child dyads. The sessions were recorded and parent-child behaviors were coded for types of talk (immediate,…

Research regarding autistic children's sibling relationship quality is mixed, although some literature suggests poorer quality compared to children with other disabilities or who are neurotypical. Little is known about how the clinical characteristics of autistic children relate to parent perceptions of sibling relationship quality. We drew data…