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Progressive reduction versus fixed level of support during training: When less is less.

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  • 1Psychological and Brain Sciences, Indiana University, Bloomington, IN, USA.

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Reducing support during skill acquisition training leads to effective learning, though practice sessions may be more challenging. This approach enhances prospective control development for complex tasks.

Keywords:
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Area of Science:

  • Motor learning
  • Skill acquisition
  • Human-computer interaction

Background:

  • Effective skill acquisition often involves active movement generation and prospective control.
  • The structure of practice significantly impacts the development and application of prospective control.

Purpose of the Study:

  • To investigate if progressive reduction of support during training is necessary for effective post-training performance without support.
  • To compare different training regimes on skill acquisition and prospective control.

Main Methods:

  • Adult participants practiced a 3D wire path task using a stylus with magnetic support.
  • Three training groups received different magnetic attraction levels: gradual reduction, medium-only, or low-only.
  • Post-training performance was assessed under low support conditions.

Main Results:

  • Training with a single medium support level was less effective for low-support post-training performance.
  • Low support during training resulted in comparable post-training performance to gradual reduction.
  • However, low support training led to significantly poorer performance during the training phase.

Conclusions:

  • Less support during training promotes effective skill learning and prospective control acquisition.
  • While effective, reduced support training presents greater challenges during practice sessions.
  • Findings have implications for training special populations, optimizing motor skill development.