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    Strengths and limitations of theoretical explanations in psychology: introduction to the special section
    with Jan De Houwer and Klaus Fiedler
    Psychonomic Bulletin and Review 20 631-642. 2013.
    Learning has been defined functionally as changes in behavior that result from experience or mechanistically as changes in the organism that result from experience. Both types of definitions are problematic. We define learning as ontogenetic adaptation—that is, as changes in the behavior of an organism that result from regularities in the environment of the organism. This functional definition not only solves the problems of other definitions, but also has important advantages for cognitive lear…Read more
  • Automatic appraisal
    In David Sander & Klaus Scherer (eds.), Oxford Companion to Emotion and the Affective Sciences, Oxford University Press. pp. 64--65. 2009.