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Stimulus equalization: temporary reduction of stimulus complexity to facilitate discrimination learning.
1Department of Human Development, University of Kansas, Lawrence 66045.
Research in Developmental Disabilities
|January 1, 1988
Summary
Stimulus equalization, an error reduction technique, effectively teaches complex discriminations to preschool children. This computer-assisted method proved superior to traditional trial-and-error training for improving learning outcomes.
Area of Science:
- Behavioral science
- Educational technology
- Developmental psychology
Background:
- Learners with limited behavioral repertoires struggle with complex, multidimensional stimuli discrimination.
- Existing gradual stimulus change procedures are often resource-intensive for educators.
Purpose of the Study:
- To investigate the effectiveness of stimulus equalization as an error reduction procedure.
- To assess stimulus equalization's efficacy in facilitating discrimination learning in preschool children.
Main Methods:
- A microcomputer was utilized for stimulus presentation and data collection.
- Stimulus equalization involved temporarily reducing dimensional complexity to minimize errors.
- A repeated acquisition design analyzed preschool children's discrimination performance across four tasks.
Main Results:
- Stimulus equalization was generally effective in establishing discrimination.
- The procedure was found to be superior to trial-and-error training.
- Correct responding was maintained after reinstating stimulus complexity in most cases.
Conclusions:
- Stimulus equalization is an effective error reduction strategy for complex discrimination learning.
- This method offers a potentially more efficient alternative to traditional training approaches.
- Findings suggest implications for optimizing computer-assisted instruction in early education.