Human- versus Artificial Intelligence-Delivered Roleplay Tasks for Assessing Interactional Competence: An Applied Conversation Analytic Study - Masaki Eguchi; Kotaro Takizawa; Mao Saeki; Fuma Kurata; Shungo Suzuki; Yoichi Matsuyama; Yasuyo Sawaki (TESOL Quarterly: A Journal for Teachers of English to Speakers of Other Languages and of Standard English as a Second Dialect, 2025)