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The Collective Trust Game: An Online Group Adaptation of the Trust Game Based on the HoneyComb Paradigm

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Group personality during collective decision-making: a multi-level approach.

Isaac Planas-Sitjà¹, Jean-Louis Deneubourg², Céline Gibon²

¹Unit of Social Ecology-CP 231, Université libre de Bruxelles (ULB), Campus Plaine, Boulevard du Triomphe, Building NO-level 5, 1050 Bruxelles, Belgium isaac.planas.sitja@ulb.ac.be.

Proceedings. Biological Sciences

|February 6, 2015

Summary

Individual personality influences collective behavior in cockroaches. Group personality emerged from individual traits and social interactions, affecting sheltering dynamics but not consensus. A new method aids future research.

Keywords:

Periplaneta americana arthropods collective dynamics consensus decision-making personality

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Area of Science:

Animal behavior
Collective dynamics
Social insects

Background:

Collective decision-making relies on social feedback networks.
Individual personality is often overlooked in collective behavior studies.
Understanding personality's role in group dynamics is crucial.

Purpose of the Study:

To investigate sheltering behavior personality in the gregarious insect Periplaneta americana.
To determine if individual personality traits are consistent over time.
To analyze how group personality affects collective sheltering dynamics and consensus.

Main Methods:

Observation of Periplaneta americana sheltering behavior across multiple trials.
Analysis of individual personality consistency in sheltering probability and duration.
Development of a novel statistical method to confirm social interactions.

Main Results:

Evidence of consistent individual sheltering behavior personality in cockroaches.
Group personality, influenced by behavior profiles and social amplification, impacted sheltering dynamics.
Individual personality did not affect the group's probability of reaching consensus.

Conclusions:

Collective behavior in gregarious insects is shaped by individual and group personality.
Social interactions play a key role in collective dynamics.
The developed statistical method can advance research on personality and group behavior in social species.