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Action-effect sharing induces task-set sharing in joint task switching.

Motonori Yamaguchi1, Helen J Wall1, Bernhard Hommel2

  • 1Edge Hill University, Ormskirk, United Kingdom.

Cognition
|May 24, 2017
PubMed
Summary
This summary is machine-generated.

Individuals performing joint tasks do not automatically adopt their partner's role. However, when actions have shared effects, co-actors do engage in task-set sharing, indicating they perform their partner's part.

Keywords:
Action effectCo-representationJoint performanceJoint task switchingResponse-effect compatibility

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Area of Science:

  • Cognitive Psychology
  • Social Psychology
  • Human-Computer Interaction

Background:

  • Understanding joint task performance is crucial for designing collaborative systems.
  • A key question is whether individuals implicitly perform their partner's task components.

Purpose of the Study:

  • To investigate whether co-acting individuals perform their partner's task as if it were their own.
  • To examine the role of shared action effects in joint task performance.

Main Methods:

  • Utilized a joint task switching paradigm with pairs of actors.
  • Tasks were presented in a random order, with cues indicating the relevant task and actor.
  • Manipulated whether responses produced shared or separate action effects between co-actors.

Main Results:

  • Separate action effects led to switch costs within an actor but not between actors.
  • Shared action effects resulted in switch costs both within and between actors.
  • This suggests actors did not perform their partner's part when effects were separate but did when effects were shared.

Conclusions:

  • Shared action effects are a critical factor that induces task-set sharing between co-acting individuals.
  • This finding has implications for understanding collaboration and designing shared control systems.