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The frequency of final
rises was affected by the number
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of
syntactic or lexical cues to
interrogativity in
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questions.
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Four types of utterances
(read speech):
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Declaratives
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Wh-questions [2 cues: word order and “who”,
“what”, …]
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Yes/no (polar) questions [1 cue: word order]
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Declarative questions [0 lexical/syntactic
cues]
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acoustic
cues must be important.
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