The incremental priming technique: A method for determining within-condition priming effects |
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Authors: | Arthur M. Jacobs Jonathan Grainger Ludovic Ferrand |
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Affiliation: | 1. Cognitive Neuroscience Laboratory, Brain & Language Group, Centre National de la Recherche Scientifique, 31 Chemin Joseph-Aiguier, F-13402, Marseille Cedex 20, France 2. Laboratoire de Psychologie Expérimentale Centre National de la Recherche Scientifique, Université René Descartes, Paris, France
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Abstract: | A novel priming technique is applied in two experiments using an alphabetic decision and a lexical decision task to study effects of repetition, and form-related priming on letter and word recognition. The incremental priming technique consists of a gradual increase of the prime’s informational value (operationalized as prime intensity). The minimum prime-intensity level serves as a within-condition baseline for each priming condition. Thus, we can define any priming effect with respect to two baseline conditions: one is the minimum-intensity condition of the particular priming condition (within-condition baseline), and the other is a different priming condition (across-condition baseline). This double-baseline approach makes measuring of priming effects more reliable and imposes stronger constraints on our interpretations of these effects. |
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