
Defending Personal Boundaries: How Birth Order Affects Children’s Psychological Sovereignty
HSE psychologists have studied how the presence or absence of siblings, as well as birth order, affect children’s ability to maintainpersonal boundaries. The results showed that only children and second-born children have the strongest sense of personal boundaries, while first-born children have the least. However, as children become adults, their ability to balance between their own needs and those of others becomes determined more by gender.