Firstborn behavioral problems impact sibling relationships
BEER-SHEVA, ISRAEL, September 30, 2025 – A new study from Ben-Gurion University of the Negev (BGU) sheds light on how a firstborn child's behavior after the arrival of a sibling can predict the quality of their sibling relationship over time. The research, published in Social Development (https://doi.org/10.1111/sode.70008), highlights the crucial role of maternal reflective functioning in mitigating negative outcomes, particularly for children exhibiting internalizing behavioral problems.
The study, co-authored by Prof. Naama Atzaba-Poria and Dr. Porat Yakov from BGU's Department ...