The distance between the birth date and the school entry cutoff has been repeatedly used as an exogenous instrument to examine the impact of several educational programmes. In this work, we analyse the validity of this instrument for the case of Argentina. Considering multiple waves of the Permanent Household Survey we detect the existence of…

Adult siblings without disabilities play important roles in relation to their brothers and sisters with intellectual disabilities. This study reviewed knowledge about adult sibling relationships in Chinese societies, where one sibling has intellectual disability. Five English and two Chinese databases were searched for publications published up to…

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 study aimed to identify whether appetitive traits predict exclusive breastfeeding (EBF) duration for the first 6 months of life and to assess other predictors of its duration. 186 six- month-old term infants were included. Appetitive traits were assessed at 3-4 months of age. EBF duration, feeding practices, sex, maternal age and education,…

Purpose: Research on early language development has primarily used two categories to group at-risk children, differing by the age at which risk is identified. Late talkers are toddlers with late onset of language development, some of whom may catch up with peers. Developmental language disorder is used to refer to children above the age of 4…

This study aimed to assess the fertility knowledge of Japanese education undergraduates who plan to become schoolteachers and examine related factors. A cross-sectional questionnaire survey was conducted with 252 first-year education undergraduates at a Japanese university. The Cardiff Fertility Knowledge Scale (CFKS) was used to measure fertility…

College graduates tend to marry each other. We use detailed Norwegian data to show that strong assortativity further arises by institution and field of study, especially among high earners from elite programs. Admission discontinuities reveal that enrollment itself, rather than selection, primarily drives matching by institution and field among…

The present study examines the link between children's number of older siblings and their cognitive development, as measured by executive function (EFs) skills and verbal skills (VIQ) in a sample of 1,302 4-year-old children (54% boys) living in rural Pakistan. Specifically, we investigate whether the links between the number of older siblings and…

This study investigates the factors driving the financial literacy of adult population in Spain using a regression count model (specifically the latent class Poisson model). The paper pays special attention to the effect of certain financial attitudes and financial personality traits (such as financial myopia, risk aversion, attitude to financial…

School tracking is the practice of separating students into tracks or classrooms based on their academic achievement. While school systems around the world use tracking, some track more heavily than others. Tracking is controversial, as low-income students are more likely than high-income students to be placed in low-achieving classrooms or…

Minority characteristic generic statements such as "ducks lay eggs" are judged to be generally true of the class, despite being true of a minority of cases, such as healthy female ducks of egg-laying age. Five studies explored the factors responsible for the acceptance of minority generic statements about biological kinds. Studies 1 and…

Background: The increased life expectancy of people with Down syndrome puts pressure on parents, who are usually the main caregivers but who find caring more difficult as they get older. The quality of the support provided by brothers and sisters depends on the intra-family relationships they build when growing up. Methods: 121 adult siblings of…

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…

In the three decades since the 1995 Beijing Platform for Action was endorsed by 189 countries, remarkable gains have been made for adolescent girls across key domains--from rising school completion rates to legal reforms that strengthen their rights, to reductions in the number of adolescent girls giving birth. Yet, glaring gaps remain: nearly 1…