We studied the effect of the number and characteristics of siblings (sex, age) on school achievement in several grades (kindergarten, first grade, and fifth grade), in two large French cohorts, with more than 16,000 children. Running linear mixed-effects models, we find that, independently of socioeconomic status, having more siblings is…

The fertility policy liberalization in China has meant that many firstborn children are stressed by a newborn sibling's arrival. This case study explores creative arts intervention as an innovative stress management approach to alleviate a Chinese girl's maladaptive reactions during her transition to siblinghood. A weekly 17-session tailored…

Adverse health events within families can harm children's development, including their early literacy. Using data from a longitudinal Wisconsin birth cohort, we estimated the spillover effect of younger siblings' gestational ages on older siblings' kindergarten-level literacy. We sampled 20,014 sibling pairs born during 2007-2010 who took…

Siblings of children with chronic disorders are at a heightened risk for internalizing and externalizing problems. Studies on sibling mental health typically use parent report, and sometimes sibling self-report, but do not include the perspectives of teachers. We investigated how teachers and parents in Norway rated sibling mental health to gain a…

This study was conducted to reveal the role of 4th grade students' level of metacognitive awareness in predicting their academic achievement. The Relational Survey Method, one of the quantitative data collection methods, was used in the study. The study group was selected through random sampling method. It consists of 526 fourth grade students…

This paper focuses on vocabulary development in oral language productions of three elementary school-age sibling pairs growing up in a trilingual setting. This longitudinal study describes the development of the children's narrative competence over three years. The corpus analysed consists of retellings of animated films. The contribution deals…

Research Findings: This study extends the understanding of the sibling effect on children's theory of mind (ToM) among Chinese preschoolers by adopting an ecological perspective. The participants were 225 Chinese preschoolers, comprising 100 children with siblings (M[subscript age] = 4.54 years, SD = 1.11, 55 boys) and 125 children without…

This study was conducted to investigate whether the STEM career interests and innovation skill levels of 8th grade students differ significantly according to some demographic variables. The research was the correlational model. The data of the study were collected from a total of 1427 students from 20 different schools in five randomly selected…

Research on bullying and victimization has largely focused on univariate analyses on older children. Little is known regarding the bullying and victimization experience of young children with a person-centered approach, especially in Chinese affordable kindergarten settings. The purpose of this study was to investigate the prevalence and…

Dialogic reading (DR) is an interactive reading approach that enhances the language development of children. This study aims to extend DR to the shared reading context involving children with attention-deficit-hyperactivity disorder (ADHD) and their older siblings and to examine the effects of DR with parents/siblings on the language development…

This study examines preschool children's play tendency and their prosocial behavior. The screening method was used in the study, and it was carried out with a total of 319 four- to six-year-old children who attended state kindergartens. "Children's Playfulness Scale" and "Child Prosocialness Scale" were used as data collection…

This study aims to reveal the relationship between primary school students' perceptions of self-learning and decision-making skills and whether gender, the education level of parents, and the number of siblings cause a difference. Within the framework of the stated purposes, the correlational survey model, which is among the quantitative research…

The aim of this study is to examine the opinions of secondary school students about mathematics lessons taught with distance education. The research was carried out by taking the opinions of 286 secondary school students from one state school selected from each of the provinces (Manisa, Izmir, Mugla, Antalya, Sirnak, Bitlis). Quantitative and…

Background: The adult reading history questionnaire (ARHQ) is frequently used in research on adult dyslexia and family risk for dyslexia. However, this measure is lengthy (23 items), reducing its applicability in studies with extensive assessment batteries. Methods: We identified the best-performing ARHQ items in a sample of 396 Finnish adults…

The main goal of this study is to examine the differences between school-aged children with different chronotypes who are only children or have a sibling in the household, regarding their sleeping habits and performance in intelligence tasks. The main measures used were Chronotype Questionnaire for Children and Raven's Coloured Progressive…