Pentland: Social Physics

Summary: Social Physics by Pentland . (Stub — expand from highlights.)

Sources: quotes_batch_18.md

Source pages: Quotes batch 18

Quote pages: Pentland – Social Physics

Last updated: 2026-05-07


Quotes

Concept

“Social physics is a quantitative social science that describes reliable, mathematical connections between information flow and people’s behavior.” (p. 4)

Behavior

“The most consistent predictor of productivity is the ‘engagement’ within a group—the frequency of face-to-face interactions.” (p. 56)

Game Theory

“Social pressure and ‘cooperative signaling’ are more effective at changing behavior than traditional financial incentives.” (p. 112)

Cognition

“We learn by observing the behavior of others, a process of ‘idea flow’ that is more powerful than individual reasoning.” (p. 89)

Memory

“The collective memory of a community is stored in the patterns of its social networks, not just in individual minds.” (p. 182)