The relationship between family size, birth order, and educational outcomes has been a topic of considerable interest in social science research. Studies have shown that these factors can ...

The objective of this study was to examine the relationship between asthma prevalence, and family size and birth order. Methods: The medical records of 531,116 Israeli military conscripts were ...

“So it’s not so much the birth order as much as it is the way that the family relationship patterns are developed.” Aside from greater exposure to adults, oldest children are often ...