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Related Experiment Video

Updated: May 28, 2026

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

Task characteristics and the contextual interference effect.

L Darren Kruisselbrink¹, Geraldine H Van Gyn

¹School of Recreation Management & Kinesiology, Acadia University, Wolfville, NS, Canada. darren.kruisselbrink@acadiau.ca

Perceptual and Motor Skills

|October 13, 2011

Summary

This summary is machine-generated.

Random practice improved motor task retention compared to blocked practice when learning similar tasks. Blocked practice led to performance loss, while random practice maintained skills, suggesting benefits for skill acquisition.

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Area of Science:

Motor Learning
Cognitive Psychology
Skill Acquisition

Background:

Understanding how practice schedules influence motor skill acquisition and retention is crucial for effective learning strategies.
Contextual interference, the effect of practice variability, impacts performance during learning and retention.

Purpose of the Study:

To investigate the impact of blocked versus random practice on learning a complex motor task.
To examine how the presence of similar or different distractor tasks affects this practice influence.
To assess both the acquisition and long-term retention of the motor task.

Main Methods:

Participants learned a multisegment motor task under blocked or random practice conditions.
Distractor tasks (similar or different) were included during practice.
Performance was measured by decision-making errors and task completion time during acquisition and retention phases.

Main Results:

Random practice with similar distractors led to more errors and slower performance during acquisition but superior retention compared to blocked practice.
Blocked practice with similar distractors resulted in a significant performance decline during retention.
No significant differences were observed between blocked and random practice when different distractor tasks were used.

Conclusions:

Random practice, particularly with similar distractors, enhances long-term retention of motor skills by promoting differential storage of task components.
The findings support component-levels theory, highlighting the importance of contextual interference for robust skill learning.
Implications suggest optimizing practice schedules based on task similarity to maximize learning outcomes.