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In a regression study of conversational speech, we show that frequency, contextual predictability and repetition have separate contributions to word duration, despite their substantial correlations. Moreover, content-and function-word durations are affected differently by their frequency and predictability. Content words are shorter when more frequent, and(More)
We explore the differences in verb subcategorization frequencies across several corpora in an effort to obtain stable cross corpus subcategorization probabilities for use in norming psychological experiments. For the 64 single sense verbs we looked at, subcategorization preferences were remarkably stable between British and American corpora, and between(More)
This study investigates three factors that have been argued to define "canonical form" in sentence comprehension: Syntactic structure, semantic role, and frequency of usage. We first examine the claim that sentences containing unaccusative verbs present difficulties analogous to those of passive sentences. Using a plausibility judgment task, we show that a(More)
A widely-cited study investigating effects of recognition difficulty on the phonetic realization of words (Wright, 1997, 2004) described vowel dispersion in a subset of the Easy/Hard database (Torretta, 1995). The core finding was that vowel dispersion, i.e. distance from the center of the talker's F1/F2 space, was greater in words that represent difficult(More)
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