In this dissertation, I investigate how people navigate ambiguity in everyday speech, with a focus on quantifier-negation sentences. Combining corpus analysis, behavioral experiments, and computational modeling in the Rational Speech Act framework, I explore preferred interpretations of quantifier-negation and examine the contexts and prosodies…

F0 contours convey multiple types of information, including lexical and post-lexical meanings, as well as affective and socio-indexical indicators. This dissertation investigates the interaction between lexical tone and sentence-level intonation in Thai, focusing on how sentence position influences the acoustic realization and perceptual…

This dissertation presents three studies that examined issues related to the production and the perception of pitch in a tone language. The first study examined linguistic contexts that may modulate consonant-induced pitch perturbations (CF0) in a tone language. Previous studies have produced mixed findings regarding the role of linguistic…

This dissertation aims to extend our knowledge of prosody--in particular, what kinds of information may be conveyed through prosody, which prosodic dimensions may be used to convey them, and how individual speakers differ from one another in how they use prosody. Four production studies were conducted to examine how various factors interact with…

This dissertation is about what prosody contributes to dialogue interpretation. The view of prosody developed in this account is based on detailed quantitative investigations of the prosodic forms and interpretations of cue word and declarative responses, specifically with respect to the distribution and interpretation of terminal pitch rises.…

Sarcasm, or sarcastic irony, involves expressing a message that is often opposite of the literal meaning of what is being said, in a way that may sound bitter, or caustic (Gibbs, 1986). In the past, sarcasm has been viewed as a method of introducing the possibility of alternative interpretations of a discourse, by creating ambiguity as to the…

Tennis scores represent a natural language domain that offers the unique opportunity to study the effects of discourse constraints on prosody with strict control over syntactic and lexical variation. This study analyzed a set of tennis scores, such as "30-15," from live recordings of several Wimbledon and Davis Cup matches. The objective was to…