The Differential Outcomes Effect in Pigeons (Columba livia): Is It Truly Anticipatory?

• Marijn Kouwenhoven ,

  Contributed equally to this work with: Marijn Kouwenhoven, Michael Colombo

  * E-mail: marijn.kouwenhoven@otago.ac.nz

  Affiliation Department of Psychology, University of Otago, Dunedin, New Zealand

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• Michael Colombo

  Contributed equally to this work with: Marijn Kouwenhoven, Michael Colombo

  Affiliation Department of Psychology, University of Otago, Dunedin, New Zealand

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