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Related Experiment Videos

Persistence of stimulus-response compatibility effects with extended practice.

A Dutta1, R W Proctor

  • 1Psychology Department, Purdue University, West Lafayette, Indiana 47907-1364.

Journal of Experimental Psychology. Learning, Memory, and Cognition
|July 1, 1992
PubMed
Summary

Extended practice did not eliminate stimulus-response (S-R) compatibility effects on reaction times. Initial task codings persist, showing S-R compatibility influences performance even after extensive training.

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Area of Science:

  • Cognitive Psychology
  • Human Factors
  • Neuroscience

Background:

  • Stimulus-response (S-R) compatibility influences task performance and reaction times.
  • The long-term effects of extensive practice on S-R compatibility are not fully understood.

Purpose of the Study:

  • To investigate the influence of extended practice on S-R compatibility effects.
  • To determine if prolonged training can eliminate S-R compatibility effects on reaction times.

Main Methods:

  • Three experiments were conducted, each involving 8 sessions of practice.
  • Stimulus-response compatibility was manipulated across different experiments.
  • Reaction times were measured to assess performance.

Main Results:

Related Experiment Videos

  • A persistent S-R compatibility effect was observed in all experiments.
  • Reaction times were consistently faster for compatible S-R assignments compared to incompatible ones.
  • Extended practice did not abolish the influence of initial S-R codings.

Conclusions:

  • Initial stimulus-response codings exert a lasting influence on performance, even after extensive practice.
  • The lower bound for reaction times is established by the initial compatibility of S-R assignments.
  • Understanding S-R compatibility is crucial for optimizing task design and training protocols.