We examine friendships and study partnerships among university students over several
years. At the aggregate level, connections increase over time, but homophily on gender and …

Studying the evolution of friendship networks has a long tradition in sociology. Multiple
micromechanisms underlying friendship formation have been discovered, the most …

The ability to create lasting, trust-based friendships makes it possible for humans to form
large and coherent groups. The recent literature on the evolution of sociality and on the …

Friendship is usually seen as a vital part of most people's lives in the West. From our friends,
we hope to derive emotional support, advice and material help in times of need. In this …

How to understand meaning-making in social relations has long been a key issue in
sociological network thinking and research and has been addressed by an impressive body …

This article introduces the expanded network theory and demonstrates the heuristic value of
its construct of strong-ties and weak-ties rationalities. This construct is derived from the …

An influential body of psychological and anthropological theories holds that societies exhibit
heterogeneous cooperation systems that differ both in their level of in-group favoritism and …

Social networks in modern societies are highly structured, usually involving frequent contact
with a small number of unrelated 'friends'. However, contact network structures in traditional …

Unraveling Ties is a unique addition to current debates in sociology—a compilation of
essays mapping the creation of community life in a modern world that often appears …

Most research on similarity in friendship networks focuses on clearly visible individual
attributes (ie attitudes and behaviors) in contexts where choices whom to befriend are …