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Related Experiment Videos

Do the same stimulus-response relations influence choice reactions initially and after practice?

R W Proctor1, A Dutta

  • 1Department of Psychological Sciences, Purdue University, West Lafayette, Indiana 47907-1364.

Journal of Experimental Psychology. Learning, Memory, and Cognition
|July 1, 1993
PubMed
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Practice with direct or indirect stimulus-response mapping and hand placement affects performance. Spatial codes influence performance, especially when stimulus-response location relations remain constant during task switching.

Area of Science:

  • Cognitive Psychology
  • Human Factors
  • Motor Control

Background:

  • Stimulus-response translation is crucial for efficient task performance.
  • Understanding how practice and spatial relationships influence this translation is key to optimizing human-computer interaction and skill acquisition.

Purpose of the Study:

  • To investigate the impact of practice on stimulus-response translation.
  • To examine the roles of mapping directness, hand placement, and spatial codes in performance changes.
  • To determine the influence of task switching on performance based on constant spatial relations.

Main Methods:

  • A two-choice reaction task was employed with variations in stimulus-response mapping (direct/indirect) and hand placement (crossed/uncrossed).
  • Experiments involved practice under specific conditions followed by transfer tests.

Related Experiment Videos

  • Further experiments introduced task switching between conditions with constant stimulus-response location relations or stimulus location-effector relations.

    • Main Results:

    • Both stimulus-response location and response location-effector relations significantly impacted performance, both initially and after practice.
    • Task switching led to interference when stimulus location-effector relations were constant but not when stimulus-response location relations were constant.
    • Performance in practiced individuals was consistently mediated by spatial codes.

    Conclusions:

    • The stimulus-response location relation is a critical factor influencing performance, particularly in practiced individuals.
    • Spatial coding remains a significant mediator of performance, even after extensive practice and under conditions of task switching.
    • These findings have implications for designing training programs and interfaces that leverage spatial coding for improved performance.