Growing up with multiple siblings might negatively affect language development. This study examined the associations between birth order, sibling characteristics and parent-reported vocabulary size in 6163 Norwegian 8- to 36-month-old children (51.4% female). Results confirmed that birth order was negatively associated with vocabulary, yet…

This study has been conducted to examine the relationship levels of fathers who have 6- to 12-month-old babies with their fathers, and their attachment status with their babies. The sample group consisted of 313 fathers. Fatherhood Scale and Father-Infant Attachment Scale have been applied to the fathers who participated in our study,…

This meta-analysis examined the association of birth order and divergent thinking (DT). The main purpose was to examine how ordinal position (only, first, middle, or last-born) is related to creativity. The results from 27 studies (k= 222; N = 4,690) were analyzed using a multilevel approach. Because some previous studies compared first- vs.…

The number of older siblings a child has is negatively correlated with the child's verbal skills, an effect that is well known in the literature. However, few studies have examined the effect of older siblings' sex, of the age gap between siblings, of having foreign-speaking parents, as well as the mediating role of parental interaction. Using…

The study aimed to determine science lesson-focused responsibility levels of primary school students in terms of various demographic variables. This study used a quantitative research methodology and a descriptive survey model, one of the general survey models. The research was conducted in three central districts in Kayseri province, Türkiye, in…

To determine the status of sibling relations among first-born children aged 4-6 years and the influence of parenting style on sibling relationships among rural children, the Sibling Relationship Questionnaire and Parenting Style Questionnaire were used to survey 373 parents of children with sibling relationships who were between 4 and 6 years old…

This research was carried out to determine the listening skill of the children attending pre-school education institutions and to analyze them according to some socio-demographic variables. The research was carried out in the general survey model, one of the quantitative research methods. The sample of the study was comprised of 429 children…

In present study, the school, social and activities competencies of neurotypical siblings of children with autism spectrum disorder (ASD-NTDsibs) were examined. A total of 146 children, including 66 ASD-NTDsibs and 80 children both themselves and their siblings are neurotypical (NTC-NTDsibs), participated in the study, which was designed in the…

Infant and young child feeding (IYCF) is crucial for the growth, development, and survival of a child. This study aims to examine the factors associated with IYCF practices among the under-2 aged children in Bangladesh and spatial variability. A total of 2336 children aged 6-23 months were selected from the 2014 Bangladesh Demographic and Health…

Siblings play an important role in shaping the developmental trajectories of individuals with autism spectrum disorder. Having siblings has been associated with better social communication, non-verbal communication, and theory of mind abilities in autism spectrum disorder. However, little is known about the impact of siblings on adaptive skill…

An educational efficiency of an individual is strongly and bidirectionally connected with his/her self-perception determined by the unique family system and overall sense of social well-being. The role of parents is obvious and both theoretically and empirically well-researched. Nevertheless, academic self-efficacy may be significantly affected…

Attention Deficit Hyperactivity Disorder (ADHD) is the most common psychiatric disorders, and lack of attention to treatment may cause a harmful effect to a patient and his/her family. This cross-sectional study was carried out on 1200 (604 boys and 596 girls). Questionnaire for parents and teachers were used to confirm and evaluate the prevalence…

Mounting evidence finds that early life environmental factors increased the probability of autism spectrum disorder. We estimated prospective associations between early life environmental factors and autism spectrum disorder symptoms in children at the age of 2 years in a population-derived birth cohort, the Barwon Infant Study. Autism spectrum…

This article examines the relationship between gender, sibship, and education over time in Egypt, focusing on how the number, sex, and birth order configuration of siblings affected boys' and girls' education during 1991-2008, a period characterized by significant social and economic changes in Egypt. This study disaggregates schooling into…

We identify externalities in human capital production function arising from sibling spillovers. Using regression discontinuity design generated by school-entry cutoffs and school records from one district in Florida, we find positive spillover effects from an older to a younger child in less affluent families and negative spillover effects from a…