Abstract
The co-occurrence of a person, object or concept and a valent stimulus can change how a person evaluates the person, object or concept. Such effects of stimulus pairings on attitudes have been investigated using an experimental paradigm called evaluative conditioning. According to dual-process views, two classes of learning mechanism are involved in attitude formation via evaluative conditioning: one type of process is based on propositional reasoning about stimulus pairings, whereas the other generates evaluative conditioning effects in the absence of propositional reasoning. According to single-process views, propositional processes alone are sufficient to explain attitude formation. In this Review, I summarize contemporary dual- and single-process accounts of evaluative conditioning and discuss research that targets the defining characteristic of propositional processes (the encoding of the relationship between paired stimuli) from both perspectives. Both accounts can accommodate most empirical results, demonstrating that processes operating at encoding, representation and evaluation must be considered in explanations of evaluative conditioning effects. Moreover, greater theoretical precision regarding the encoding and representation of stimulus pairings is needed. The falsifiability of theoretical accounts would further be served by specifying the ecological factors that facilitate different learning mechanisms.
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Acknowledgements
This work was supported by a Heisenberg grant (HU 1978/7-1) from the German Research Foundation. The author thanks K. Fiedler, B. Gawronski, J. de Houwer, Z. Niese and K. Reichmann for valuable comments on previous versions of this article.
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Hütter, M. An integrative review of dual- and single-process accounts of evaluative conditioning. Nat Rev Psychol 1, 640–653 (2022). https://doi.org/10.1038/s44159-022-00102-7
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DOI: https://doi.org/10.1038/s44159-022-00102-7
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