A discrete-trials/fixed-interval method of discrimination training

  • W. T. Woodard
  • M. E. Bitterman
Methods & Designs


An efficient new method of discrimination training is described which has several advantages over older free-operant and discrete-trials procedures. Illustrative data on reversal learning in pigeons and goldfish are presented.


Behavior Research Method Stimulus Duration Discriminative Stimulus Discrimination Training Reversal Learning 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


  1. Behrend, E. R., Bauman, B. A., & Bitterman, M. E. Probability-discrimination in the fish. American Journal of Psychology, 1965, 78, 83–89.CrossRefPubMedGoogle Scholar
  2. Graf, V., Bullock, D. H., & Bitterman, M. E. Further experiments on probability-matching in the pigeon. Journal of the Experimental Analysis of Behavior, 1964, 7, 151–157.CrossRefPubMedGoogle Scholar
  3. Schoel, W. M., Davis, J., & Bitterman, M, E. Adventitious reinforcement in free-operant discrimination. Behavior Research Methods & Instrumentation, 1971, 3, 8–9.Google Scholar
  4. Tennant, W. A., & Bitterman, M. E. Asymptotic free-operant discrimination reversal in the goldfish. Journal of Comparative & Physiological Psychology, 1973, 82, 130–136.CrossRefGoogle Scholar
  5. Woodard, W. T., & Bitterman, M. E. Improved techniques for the measurement of consummatory behavior in fishes. Behavior Research Methods & Instrumentation, 1974, 6, 321–324.Google Scholar
  6. Woodard, W. T., Schoel, W. M., & Bitterman, M. E. Keversai learning with singly-presented stimuli in pigeons and goldfish. Journal of Comparative & Physiological Psychology, 1971, 76, 480–477.Google Scholar

Copyright information

© Psychonomic Society, Inc. 1974

Authors and Affiliations

  • W. T. Woodard
    • 1
  • M. E. Bitterman
    • 1
  1. 1.University of HawaiiHonolulu

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