Dr. Karatsu’s research addresses topics in the fields of Conversation Analysis, Discourse Analysis, and Sociolinguistics. In particular, she is interested in Narrative Study, Study of Conversational Storytelling, Presentation of Identities/ Selves, Grammar in Interaction, and Teaching Japanese as a Foreign Language. Her research is empirical and qualitative analyses of naturally occurring conversational interaction both verbal and nonverbal behavior) Her goal is to be inter-disciplinary across Linguistics, Sociolinguistics, Sociology, and Social Psychology.