Wh-phrases in Korean are ambiguous due to the lexical ambiguity of "wh" words: wh-pronouns as in a wh-question, or indefinite pronouns as in a yes/no-question. Furthermore, since a wh-word in Korean is in-situ (i.e. not moved to the front of a sentence as in English), wh-questions are not distinguished from echo questions in their surface forms. In this paper, we investigated prosodic character...