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Related Experiment Videos

Evaluation of a multiple-stimulus presentation format for assessing reinforcer preferences

I G DeLeon1, B A Iwata

  • 1University of Florida, Gainesville 32611, USA.

Journal of Applied Behavior Analysis
|January 1, 1996
PubMed
Summary

The multiple-stimulus without replacement (MSWO) procedure for reinforcer-preference assessments is efficient and effective. It identifies more reinforcers than the multiple-stimulus with replacement (MSW) method, similar to the paired-stimulus (PS) method.

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Area of Science:

  • Behavioral psychology
  • Applied behavior analysis

Background:

  • Preference assessments are crucial for identifying effective reinforcers.
  • Existing methods like paired-stimulus (PS) and multiple-stimulus with replacement (MSW) have limitations.
  • The multiple-stimulus without replacement (MSWO) procedure offers a potential improvement.

Purpose of the Study:

  • To compare the efficacy and efficiency of three reinforcer-preference assessment methods: PS, MSW, and MSWO.
  • To evaluate the rank-order correlations and number of identified reinforcers across methods.
  • To assess the reinforcement effectiveness of stimuli identified by each procedure.

Main Methods:

  • Three reinforcer-preference assessment formats were compared: PS, MSW, and MSWO.
  • Data were collected from 7 participants.

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  • Reinforcement effects were tested for selected stimuli.

    • Main Results:

    • MSWO and PS procedures showed moderate to high rank-order correlations.
    • The number of identified reinforcers was similar between MSWO and PS.
    • MSWO administration time was comparable to MSW and significantly less than PS.
    • Stimuli selected in PS and MSWO, but not MSW, functioned as reinforcers.

    Conclusions:

    • The MSWO procedure may combine the advantages of both PS and MSW methods.
    • MSWO is an efficient and effective method for identifying effective reinforcers.
    • Further research is warranted to validate these preliminary findings.