W. Kirk Richardson, William J. Warzak

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Pigeons were trained to peck one, two, three, and then four colors in a predetermined sequence from a five‐key array where, over trials, each color appeared equally often in each position of the array. Incorrect pecks resulted in a buzzer and trial termination, with the same array presented for the next trial. Correct pecks produced feedback and correct strings could produce food. All subjects performed at a high level of accuracy with no difference at asymptote between a continuous and a mixed spectral sequence as the required order. Transfer to a new set of arrays had little effect on accuracy. Errors forward in the sequence had the highest probability, followed by repeat errors, backward errors, and dark‐key errors. Some arrays had a higher level of accuracy than others but a corresponding systematic variable could not be identified. 1981 Society for the Experimental Analysis of Behavior

Original languageEnglish (US)
Pages (from-to)267-276
Number of pages10
JournalJournal of the experimental analysis of behavior
Issue number2
StatePublished - Sep 1981
Externally publishedYes


  • discrimination learning
  • key peck
  • pigeons
  • serial learning
  • stimulus strings

ASJC Scopus subject areas

  • Experimental and Cognitive Psychology
  • Behavioral Neuroscience


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