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RESEARCH PRODUCT

Transposed-Letter Priming Effects for Close Versus Distant Transpositions

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Transposing two internal letters of a word produces a perceptually similar item (e.g., CHOLOCATE being processed as CHOCOLATE). To determine the precise nature of the encoding of letter position within a word, we examined the effect of the number of intervening letters in transposed-letter effects with a masked priming procedure. In Experiment 1, letter transposition could involve adjacent letters (chocloate-CHOCOLATE) and nonadjacent letters with two intervening letters (choaolcte-CHOCOLATE). Results showed that the magnitude of the transposed-letter priming effect – relative to the appropriate control condition – was greater when the transposition involved adjacent letters than when it involved nonadjacent letters. In Experiment 2, we included a letter transposition condition using nonadjacent letters with one intervening letter (cholocate-CHOCOLATE). Results showed that the transposed-letter priming effect was of the same size for nonadjacent transpositions that involved one or two intervening letters. In addition, transposed-letter priming effects were smaller in the two nonadjacent conditions than in the adjacent condition. We examine the implications of these findings for models of visual-word recognition.