Social structure and collective memory

Wikipedia graph mining: dynamic structure of collective memory

ABSTRACT Wikipedia is the biggest ever created encyclopedia and the fifth most visited website in the world. Tens of millions of people surf it every day, seeking answers to various questions. Collective user activity on the pages leaves publicly available footprints of human behavior, making Wikipedia a great source of the data for largescale analysis of collective dynamical patterns. The dyna...

COLLECTIVE MEMORY PERFORMANCE Running head: COLLECTIVE MEMORY PERFORMANCE The Collective Memory Performance in a Recognition Memory Task

I investigate the collective memory performance in a recognition memory task in which each individual in a group independently retrieves memories related to the same study items. For each test item in the recognition memory task, the aggregated memory judgment is based on the average of confidence ratings across individuals. Using a Bayesian Signal Detection Theory (SDT) analysis of the confide...

Collective trauma and social reconstruction

Collective Identity and Social Movements

■ Abstract Sociologists have turned to collective identity to fill gaps in resource mobilization and political process accounts of the emergence, trajectories, and impacts of social movements. Collective identity has been treated as an alternative to structurally given interests in accounting for the claims on behalf of which people mobilize, an alternative to selective incentives in understand...

Collective Rationality and Social Choice

Arrow’s impossibility theorem states that if a collective choice rule satisfies unrestricted domain, weak Pareto, independence of irrelevant alternatives, and collective rationality, then there exists a dictator. Among others, Arrow’s postulate of collective rationality is controversial. We propose a new axiom for a collective choice rule, decisiveness coherence, which is weaker than collective...