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Related Experiment Video

Updated: Aug 28, 2025

Using Practice Testing, Public Speaking, and Source Monitoring to Examine the Influences of Learning Strategies and Stress on Episodic Memory
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The effect of enhanced variability after performance stabilization through constant practice.

Carmen Ruano1, Carla Caballero1, Francisco J Moreno1

  • 1Sports Research Centre, Universidad Miguel Hernández de Elche, Elche, Alicante, Spain.

Peerj
|September 22, 2022
PubMed
Summary
This summary is machine-generated.

Variable practice did not significantly improve motor learning compared to constant practice. Benefits of variable practice may depend on the learner's initial performance variability, even after stabilization.

Keywords:
Adaptive learningConstant practiceInherent variabilityMotor learningVariable practice

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Area of Science:

  • Motor learning and control
  • Human motor performance
  • Skill acquisition

Background:

  • The efficacy of variable practice in motor learning remains debated.
  • Research often focuses on variable practice from the outset of training.
  • Understanding when variable practice is most beneficial is crucial for optimizing training protocols.

Purpose of the Study:

  • To investigate the effects of variable practice on motor learning after performance stabilization.
  • To compare the outcomes of constant practice, variable practice, and a combined approach.

Main Methods:

  • Thirty-two healthy adults completed a computer-simulated discrete accuracy task.
  • Participants were assigned to constant practice, variable practice, or a delayed variable practice group.
  • Performance was assessed via pre-test, post-test, and retention tests.

Main Results:

  • Variable practice did not yield significant improvements over constant practice.
  • Introducing variable practice after performance stabilization did not enhance benefits.
  • Initial learner variability appeared to modulate the effects of variable practice.

Conclusions:

  • Variable practice may not universally outperform constant practice, especially when introduced later in training.
  • The effectiveness of variable practice might be contingent on individual differences in initial performance variability.
  • Further research is needed to elucidate the nuanced role of initial variability in motor learning.