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Related Experiment Video

Updated: Aug 28, 2025

Development of a Gaze-Contingent Display Framework Designed for Perceptual and Oculomotor Research with Simulated Central Vision Loss

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Specific versus varied practice in perceptual expertise training.

Samuel G Robson¹, Jason M Tangen¹, Rachel A Searston¹

¹School of Psychology.

Journal of Experimental Psychology. Human Perception and Performance

|September 22, 2022

Summary

Specific practice enhances immediate visual search performance and near transfer, while varied practice offers comparable long-term expertise development. This study compares specific versus varied practice in perceptual learning.

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Area of Science:

Cognitive Psychology
Perceptual Learning
Motor Skill Acquisition

Background:

Perceptual learning is crucial for skill acquisition.
Understanding how practice type influences learning and transfer is essential for optimizing training.

Purpose of the Study:

To compare the effects of specific practice versus varied practice on perceptual learning and transfer.
To investigate the long-term retention of skills acquired through different practice methods.

Main Methods:

A longitudinal randomized controlled experiment was conducted.
Participants engaged in a visual search task for 10 hours over 2-4 weeks.
Groups differed in practice type: specific (fingerprints only) vs. varied (five image categories).

Main Results:

The specific practice group showed greater improvement and pre-post gains on untrained fingerprint images.
Both groups improved equally on untrained general image categories, but specific practice led to a performance drop later.
Both groups demonstrated equal improvement on untrained fingerprint tasks.

Conclusions:

Specific practice leads to better near transfer in visual search tasks.
Category-specific and category-general training are equally effective for developing task-general expertise.
Long-term effects indicate that specific practice may lead to performance decline without continued exposure.