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This study examined laboratory-induced spoonerisms; the type of speech error in which a phoneme unit from one word switches position with a phoneme unit from another word. Three experiments test hypotheses which assume that spoonerism errors are facilitated by the presence of certain inherent differences between the switched phonological units. Experiment I tests for facilitation based upon differences in the phonological markedness of the switched units. Experiment II and Experiment III test for facilitation based upon differences in the second-order transitional probabilities and third order transitional probabilities (respectively) of the switched units. Evidence of transitional probability effects was found, with implications for the phonological encoding processing of both naturally occurring spoonerisms and normal speech.
Motley et al. (Sun,) studied this question.