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Related Experiment Video

Updated: May 22, 2026

New Variations for Strategy Set-shifting in the Rat
09:45

New Variations for Strategy Set-shifting in the Rat

Published on: January 23, 2017

Sequential difficulty effects during strategy execution.

Kim Uittenhove1, Patrick Lemaire

  • 1Aix-Marseille Université, IUF & CNRS, <location>Marseille, France</location>

Experimental Psychology
|May 24, 2012
PubMed
Summary
This summary is machine-generated.

Cognitive strategy performance is affected by the difficulty of the previous strategy. Poorer performance occurred after executing a difficult strategy compared to an easy one, impacting human cognition research.

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The "Motor" in Implicit Motor Sequence Learning: A Foot-stepping Serial Reaction Time Task
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Area of Science:

  • Cognitive Psychology
  • Cognitive Science
  • Human Cognition

Background:

  • Understanding how cognitive strategies are chosen and executed is crucial for explaining human behavior.
  • The influence of prior task difficulty on subsequent strategy performance is not fully understood.

Purpose of the Study:

  • To test the hypothesis that strategy performance is influenced by the difficulty of the immediately preceding strategy.
  • To investigate the 'strategy sequential difficulty effect' in cognitive tasks.

Main Methods:

  • Two experiments were conducted involving participants performing approximate addition of two-digit numbers.
  • Participants utilized cued rounding strategies to solve the arithmetic problems.

Main Results:

  • Strategy performance was significantly poorer following the execution of a difficult strategy compared to an easy strategy.
  • This finding supports the existence of the strategy sequential difficulty effect.

Conclusions:

  • The difficulty of a previously executed strategy impacts current strategy performance.
  • Results have implications for computational models of strategy selection and understanding cognitive variability.
  • Enhances understanding of strategic variations in arithmetic and general human cognition.