Empirical validation of a procedure to correct position and stimulus biases in matching-to-sample.

Empirical validation of a procedure to correct position and stimulus biases in matching-to-sample. Research Abstract Details 

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Empirical validation of a procedure to correct position and stimulus biases in matching-to-sample. Abstract Text:

The development of position and stimulus biases often occurs during initial training on matching-to-sample tasks. Furthermore, without intervention, these biases can be maintained via intermittent reinforcement provided by matching-to-sample contingencies. The present study evaluated the effectiveness of a correction procedure designed to eliminate both position and stimulus biases. Following key-peck training, a group of 6 pigeons had extended exposure to matching-to-sample contingencies without a correction procedure, a group of 4 pigeons was briefly exposed to a simultaneous matching-to-sample procedure to assess biases prior to exposure to the correction procedure, and a group of 5 pigeons was exposed directly to the correction procedure. The correction procedure arranged that every time an incorrect match was made, the trial configuration was repeated on the subsequent trial until a correct match was made. Extended exposure to matching-to-sample contingencies without a correction procedure was associated with reduced biases eventually for most subjects, but rapid development of near-perfect accuracy and bias-free performance was observed upon the implementation of the correction procedure regardless of the type of bias. Bias-free performance was maintained following subsequent exposure to a zero-delay MTS procedure.

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Empirical validation of a procedure to correct position and stimulus biases in matching-to-sample. Journal Published:

PUBLICATION TYPE: Research Support, N.I.H., Extr

Journal: Journal of the experimental analysis of behavior

VOLUME: 90

Page Numbers: 103-12

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ISSN: 0022-5002

DAY: 7

MONTH: Jul

YEAR: 2008

Empirical validation of a procedure to correct position and stimulus biases in matching-to-sample. Information

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LANGUAGE: eng

NlmUniqueID: 203727

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Grant and Affiliation Information for Empirical validation of a procedure to correct position and stimulus biases in matching-to-sample.

AFFILIATION: Department of Psychology, University of Florida, P.O. Box 112250, Gainesville, FL 32611-2250, USA. kangas@ufl.edu

Country: United States

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MEDLINETA: J Exp Anal Behav

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