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…

Objective: This study examined the unique and interactive effects of PA volume and within-person fluctuations in PA volume (i.e., intraindividual variability in PA volume; PA-var) on preschoolers' (N = 141; 47.5% girls) ADHD symptoms. Method: Preschoolers wore accelerometers during the school day over a 2-week period. Teachers reported on…

This research investigated the effects of Orff-based attention-enhancing music education programme on impulsive preschool children's cognitive tempo. The research was conducted using a quasi-experimental pretest-posttest control group design. Thirty preschoolers were included in this research; 15 in the experimental and 15 in the control groups.…

This study aimed to examine the effects of Montessori Education on children's self-regulation skills in the preschool period. The study had a 2 x 2 mixed design, wherein the dependent variable was self-regulation levels of 3, 4, 5-year-old children (experimental group: 62, control group: 53) and the independent variable was education based on the…

Background: Attention-deficit hyperactivity disorder (ADHD) is a risk for learning. Because ADHD commonly includes behaviours of inattention and behaviours of hyperactivity/impulsivity, how the two types of behaviours independently affect children's academic competence remains poorly understood. Aims: To investigate the impact of behaviours of…

Children who attend English immersion institutions present largely different attitudes toward learning English. The current study attempted to explain these differences by examining the variations of children's temperament (i.e., impulsiveness and anxiety). The study also investigated whether parent-child interactions as a means for English…

The purpose of this study is to examine the self-regulation skills of kindergarten children in terms of various variables. The study was conducted in two different kindergarten institutions in Nicosia and Girne District of Cyprus; 122 children aged 48-72 months and their parents (mother or father). In order to measure the participant children's…

Relationships between sluggish cognitive tempo (SCT) and age and IQ were investigated in children with autism and/or ADHD covering broader age and IQ ranges than in previous studies. Mothers rated 1436 children with autism and 1,056 with ADHD (2-17 years, IQs 9-149) on Pediatric Behavior Scale SCT items. Increasing age correlated with SCT in the…

The purpose of the present study was to investigate whether the communication and emotional skills of preschoolers differ on the basis of their reflection and impulsivity. The sample of the study comprised 227 (5-6 years old) students attending nursery classes and nursery schools in central districts of Konya. Kansas Reflection-Impulsivity Scale…

Growing evidence demonstrates associations between child race, teacher-child race match, and teacher ratings of externalizing behaviour problems in the early years of school. The present study deepens understanding of the relations between child, teacher, and classroom racial factors and teacher-reported externalizing behaviours by examining…

Improvements in cognitive flexibility during the preschool years have been linked to developments in both working memory and inhibitory control, though the precise contribution of each remains unclear. In the current study, one hundred and twenty 2-, 3-, and 4-year-olds completed two rule-switching tasks. In one version, children switched rules in…

Although existing research has shed much light on the development of ethnic minority children, many studies focus on maladjustment, such as behavioral problems, without also speaking to positive experiences in children's lives, such as friendship. An aspect of development that predicts both positive and negative outcomes for children is…

Background: Classroom engagement is key predictor of child academic success. Aim: The objective of the study was to examine how preschool cognitive control and the experience of family adversity predict developmental trajectories of classroom engagement through elementary school. Setting: Children were followed in the context of the Quebec…

Many cognitive self-regulation (CSR) measures are related to the academic achievement of prekindergarten children and are thus of potential interest for school readiness screening and as outcome variables in intervention research aimed at improving those skills in order to facilitate learning. The objective of this study was to identify…

Background: A body of literature has emerged that links inattentive symptoms of attention deficit hyperactivity disorder (ADHD) to poor academic achievement. Major variation across studies renders conclusions about this relationship complex. Purpose: This review will provide a qualitative synthesis of these studies that (1) use community samples…