Practice-Perform duality

• Performing is an exercise of maximising System 1
• Practicing is an exercise of moving from System 2 to System 1 by rehearsing

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• Measuring error rates may reduce performance
  • To maximise practice time is to maximise error rates. But, unfortunately, carrying this habit from practice into perform (Practice-Perform duality) might be detrimental, given that it may induce frustration in a high-stake environment, forming a vicious cycle:
• Chunks should be borrowed from experts
  • Some chunks, such as "error rates", can be detrimental depending on the Practice-Perform duality. Measuring error rates may reduce performance.