The family environment, with all its complexity and diverse components, plays a critical role
in shaping neurodevelopmental outcomes in children. Herein we review several domains of …

Despite social scientists' long-standing interest in the influences of siblings, previous
research has not settled the debates on how relevant sibship size is to child development …

Many people grow up with at least one sibling. These siblings are often 'fellow travellers'
through adversity or significant life events; they can act as a source of support for some …

A large body of research has examined the relationship between family size and child well-
being in developing countries, but most of this literature has focused on the consequences …

This study examines the association between sibship size and wealth in adulthood. The
study draws on resource dilution theory and additionally discusses potentially wealth …

Growing evidence exists about the candidate factors of childhood cognitive performance, but
mainly limited to single-exposure studies. We sought to systematically and simultaneously …

A sizable literature found an inverse association between number of siblings and
developmental outcomes. Little is known about this relationship during the earliest years of …

This paper analyses the effect of family size on children's educational attainment using a
new research design that combines fixed effects and instrumental variable (IV) approaches …

Leisure time activity is often positioned as a key factor in child development, yet we know
relatively little about the causal significance of various specific activities or the magnitude of …

Abstract Objective The 1940 Census is a valuable resource for understanding various
aspects of historical populations in the United States. Recently, the National Social Life …