Pay It Forward: Gratitude in Social Networks

The Strength of Weak Ties

Mark Granovetter · American Journal of Sociology · 1973 · 37.8K citations

Social Influence, Communication, Social Structures +17

Exchange and Power in Social Life.

Robert Bierstedt, Peter M. Blau · American Sociological Review · 1965 · 13.8K citations

Social Theory, Education, Social Influence +16

The Norm of Reciprocity: A Preliminary Statement

Alvin W. Gouldner · American Sociological Review · 1960 · 11.6K citations

Functional Theory, Moral Norm, Prosocial Behavior +12

The Strength of Weak Ties: A Network Theory Revisited

Mark Granovetter · Sociological Theory · 1983 · 8.1K citations

Network Science, Social Influence, Social Network +4

Positive emotions broaden the scope of attention and thought‐action repertoires

Barbara L. Fredrickson, Christine Branigan · Cognition & Emotion · 2005 · 3.4K citations

Positive Emotions, Cognitive Science, Broaden-and-build Theory +13