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In Small We Trust: Lay Theories About Small and Large Groups.
Stephen T La Macchia1, Winnifred R Louis2, Matthew J Hornsey2
1The University of Queensland, Brisbane, Australia s.lamacchia@uq.edu.au.
Personality & Social Psychology Bulletin
|July 3, 2016
Summary
People tend to trust smaller groups more than larger ones, a "small = trustworthy" heuristic. This perception influences whether individuals approach or avoid groups in various social contexts.
Area of Science:
- Social Psychology
- Behavioral Economics
- Group Dynamics
Background:
- Interactions with groups are common, yet criteria for group approach/avoidance are unclear.
- Understanding trust heuristics is crucial for social interaction dynamics.
Purpose of the Study:
- To investigate the 'small = trustworthy' heuristic in group interactions.
- To determine if perceived group size influences trust and approach behavior.
Main Methods:
- Seven studies analyzed perceptions of group size and trustworthiness.
- Methods included social categories, ad hoc groups, interacting panels, and abstract judgments.
Main Results:
- Consistent evidence for the 'small = trustworthy' heuristic across diverse contexts.
- Smaller groups were perceived as more benevolent, leading to increased approach.
Conclusions:
- A general lay theory of group size influences interpersonal group engagement.
- This heuristic impacts trust decisions and interaction patterns with groups.
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