Adaptation Effects in Lexical Processing
Adaptation Effects in Lexical Processing

Summary/Abstract: Psycholinguistic research generally adopts a scientific strategy that assumes a relatively stable set of representations and processes. In accordance with this strategy, researchers average measurements across trials, in an attempt to get a statistically stable estimate of performance for a given experimental condition. In this paper, we present four sets of example data drawn from various psycholinguistic tasks and show that the psycholinguistic system appears to adapt across the trials of the experiments. We show that there are cases in which a factor has no main effect, but interacts across trial; in other cases there is a main effect of a factor, but that factor also interacts with trial. Finally, we show that there are some cases in which the way that a factor interacts across trials is dependent on other, unrelated conditions included in the experiment. Our discussion focuses on both theoretical and methodological implications of the adaptiveness of the psycholinguistic system.

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