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Updated: Apr 21, 2026

Efficiently Recording the Eye-Hand Coordination to Incoordination Spectrum
Published on: March 21, 2019
Synchronised and complementary coordination mechanisms in an asymmetric joint aiming task.
Joshua C Skewes1, Lea Skewes, John Michael
1Department of Society and Culture, Interacting Minds Centre, Aarhus University, Jens Chr. Skous Vej 4, Building 1.483, 3, 8000, Aarhus C, Denmark, filjcs@cas.au.dk.
People flexibly balance synchronized and complementary actions during joint tasks. Adaptability, not predictability, enhances coordination when task demands are unequal, improving social interaction effectiveness.
Area of Science:
- Social Psychology
- Cognitive Science
- Human-Computer Interaction
Background:
- Social interactions often require real-time behavioral coordination.
- Coordination strategies include synchronization (symmetric) and complementarity (asymmetric), typically studied in isolation.
- Real-life interactions necessitate balancing these strategies for effective joint goal achievement.
Purpose of the Study:
- Investigate the implicit balancing of synchronization and complementarity in continuous joint aiming tasks.
- Examine how individuals negotiate leader-follower dynamics under asymmetric task constraints.
- Understand the role of adaptability versus predictability in coordination.
Main Methods:
- Dyads performed a continuous joint aiming task, synchronizing click timings.
- Task constraints (difficulty) were asymmetrically varied for one dyad member.
- Leader-follower dynamics and adaptation strategies were analyzed.
Main Results:
- Dyads shifted between mutual and asymmetric adaptation based on task constraints.
- With increased difficulty, one partner became less adaptive (leader), while the other's adaptability remained constant.
- Coordination improved with an adaptive, albeit irregular, partner compared to a predictable, non-responsive one.
Conclusions:
- Asymmetric task constraints lead to flexible negotiation of coordination strategies.
- Adaptability, rather than strict predictability, is key for effective coordination in dynamic social interactions.
- Findings offer insights into implicit coordination mechanisms in human dyads.
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