Related Experiment Video
Updated: Aug 20, 2026

Peering into the Dynamics of Social Interactions: Measuring Play Fighting in Rats
Published on: January 18, 2013
Continuities in sibling relationships: patterns of aggression and friendliness
Abstract:
Thirteen girls and 12 boys who had been observed at home as 2- to 3-year-olds with their mothers and infant siblings were interviewed as 6-year-olds about their relationship with their siblings; their mothers also were interviewed. The marked individual differences found among the 2- to 3-year-olds in comments about their siblings were correlated with differences in the children's comments about their siblings 3-4 years later, and the differences in their behaviour towards their siblings as 2- to 3-year-olds were correlated with differences in their mothers' accounts of the sibling relationship at the 6-year visits.
More Related Videos
Related Concept Videos
Relationship Formation
Theory of Romantic Attachment in Adulthood
Bullying
Friendships and Close Friendships
Relationship Growth
Relationship with Other Adult Family Members and Siblings

