Sibling Relationship Dynamics in Childhood and Adolescence
Summary
Sibling relationships represent one of the longest‐lasting social bonds in human development, encompassing multiple dimensions of support, rivalry and emotional attunement. From early childhood through adolescence, siblings serve as companions, collaborators and competitors, shaping social skills, self‐concept and emotional well‐being. Interactions within these dyads range from cooperative play and mutual caregiving to conflict over resources, autonomy and parental attention. Developmental shifts in age gap, gender composition and birth order further modulate the balance of intimacy and rivalry, with older siblings often modelling behaviours that younger siblings emulate or resist. Cultural norms, family structure and parenting style create a broader context in which sibling bonds evolve, influencing mental health outcomes, peer relationships and academic adjustment. Understanding the interplay of power dynamics, emotional contagion and supportive exchanges offers practical insights for family interventions, educational practice and policies aimed at promoting resilience and reducing relational stress in diverse populations.
Research from Nature Portfolio
Recent studies have advanced experimental paradigms for probing real‐time cooperative and competitive dynamics between siblings. One investigation introduced interactive puzzle‐solving and game‐theory tasks to assess how dominance hierarchies influence mutual cooperation and strategic defection. Pairs characterised by high dominance exhibited more conflictual exchanges, reduced turn‐taking and a tendency towards Machiavellian and hypercompetitive traits, whereas low‐dominance pairs demonstrated smoother coordination and higher joint success. These findings underscore the role of power balance in shaping sibling interactions and offer validated tools for probing personality and relationship effects on naturalistic social behaviour.
Sibling Relationship Dynamics in Childhood and Adolescence publication trend
The graph below shows the total number of articles in sibling relationship dynamics in childhood and adolescence across all publications each year (not limited to Nature Index journals).
Technical terms
Sibling dyad: A pair of siblings whose interactions are studied as a unit.
Dominance: The relative assertiveness and control one sibling exerts over the other in interactions.
Externalising problems: Behavioural issues such as aggression or rule‐breaking directed outwardly.
Cross‐lagged panel analysis: A statistical method for examining reciprocal, longitudinal effects between variables.
References
- The role of dominance in sibling relationships: differences in interactive cooperative and competitive behavior. Scientific Reports (2023).
- Siblings versus parents and friends: longitudinal linkages to adolescent externalizing problems. Journal of Child Psychology and Psychiatry (2013).
- Longitudinal Linkages between Older and Younger Sibling Depressive Symptoms and Perceived Sibling Relationship Quality. Journal of Youth and Adolescence (2019).
- Relationships between parenting style and sibling conflicts: A meta-analysis. Frontiers in Psychology (2022).
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