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Related Experiment Videos

Multiple microswitches for persons with multiple disabilities: a basic procedure to examine the persons' choice

G E Lancioni1, M F O'Reilly, N N Singh

  • 1Department of Psychology, University of Bari, Via Quintino Sella 268, 70100 Bari, Italy. g.lancioni@psico.uniba.it

Perceptual and Motor Skills
|May 5, 2006
PubMed
Summary

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This study explored choice-making in individuals with multiple disabilities. Findings suggest that external stimuli, rather than inherent response preference, often drive choices, especially when response costs vary.

Area of Science:

  • Behavioral Science
  • Disability Studies
  • Psychology

Background:

  • Understanding choice-making is crucial for individuals with multiple disabilities.
  • Previous research has not fully elucidated the factors influencing response selection in this population.

Purpose of the Study:

  • To investigate a choice-analysis procedure for clarifying response and stimulus preferences.
  • To determine if stimuli following responses influence choice behavior.
  • To assess if adding stimuli can alter preferences for less-preferred responses.

Main Methods:

  • Employed a choice-analysis procedure involving reversing response-stimulus links.
  • Manipulated stimuli associated with different response options.
  • Introduced additional stimuli for less-preferred responses to evaluate compensatory effects.

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Main Results:

  • Three out of five participants' choices were primarily influenced by the stimuli presented after their responses.
  • The remaining two participants showed a preference for a specific response, which could be altered by adding extra stimuli.
  • The procedure effectively differentiated between stimulus-driven and response-preference-driven choices.

Conclusions:

  • Stimuli contingent on responses play a significant role in choice behavior for many individuals with multiple disabilities.
  • Response preferences can be modified by altering the associated stimuli, indicating the potential for behavioral interventions.
  • The choice-analysis procedure offers a valuable tool for assessing and understanding choice in this population.