Peek-a-View: Smartphone Cover Interaction for Multi-Tasking. - Koeun Choi; Hyunjoo Song; Kyle Koh; Jinwook Bok; Jinwook Seo (CHI, 2016)

Preschoolers are more likely to direct questions to adults than to other children (or selves) during spontaneous conversational acts. - Koeun Choi; Elizabeth Lapidow; Jennifer Austin; Patrick Shafto; Elizabeth Bonawitz (CogSci, 2018)

Observing child-led exploration improves parents' causal inferences. - Koeun Choi; Milagros Grados; Elizabeth Bonawitz (CogSci, 2019)

"I Never Even Considered That!": Investigating explanations for adults' failures to learn conjunctive causal rules. - Alexandra Rett; Elizabeth Bonawitz; Koeun Choi; Caren M. Walker (CogSci, 2019)

Robot Musical Theater for Climiate Change Education. - YeaJi Lee; Ariana Wyatt; Jiayuan Dong; Tanner Upthegrove; Brandon Hale; Chelsea H. Lyles; Koeun Choi; Jisun Kim; Shuqi Yu; Devanshu Vajir; Phyllis Newbill; Myounghoon Jeon 001 (HRI, 2022)

TaleMate: Collaborating with Voice Agents for Parent-Child Joint Reading Experiences. - Daniel Vargas-Diaz; Sulakna Karunaratna; Jisun Kim; Sang Won Lee 002; Koeun Choi (UIST (Adjunct Volume), 2023)

Evaluation of Interactive Demonstration in Voice-assisted Counting for Young Children. - Sulakna Karunaratna; Daniel Vargas-Diaz; Jisun Kim; Jenny Wang; Koeun Choi; Sang Won Lee 002 (CSCW Companion, 2024)

Promoting STEAM Education and AI/Robot Ethics in a Child-Robot Theater Afterschool Program. - Jiayuan Dong; Jennifer J. Mitchell; Shuqi Yu; Madison Harmon; Alethia Holstein; Joon Hyun Shim; Koeun Choi; Qin Zhu; Myounghoon Jeon 001 (HRI (Companion), 2024)

Bridging the Gap: Early Education on Robot and AI Ethics through the Robot Theater Platform in an Informal Learning Environment. - Jennifer J. Mitchell; Jiayuan Dong; Shuqi Yu; Madison Harmon; Alethia Holstein; Joon Hyun Shim; Koeun Choi; Qin Zhu; Myounghoon Jeon 001 (HRI (Companion), 2024)

TaleMate: Exploring the use of Voice Agents for Parent-Child Joint Reading Experiences. - Daniel Vargas-Diaz; Jisun Kim; Sulakna Karunaratna; Maegan Reinhardt; Caroline Hornburg; Koeun Choi; Sang Won Lee 002 (CoRR, 2024)

A Child-Robot Musical Theater Afterschool Program for Promoting STEAM Education: A Case Study and Guidelines. - Jiayuan Dong; Koeun Choi; Shuqi Yu; YeaJi Lee; Jisun Kim; Devanshu Vajir; Chelsea H. Lyles; Phyllis Newbill; Ariana Wyatt; Tanner Upthegrove; Myounghoon Jeon 001 (Int. J. Hum. Comput. Interact., 2024)

A child-robot theater afterschool program can promote children's conceptualization of social robots' mental capacities and engagement in learning. - Jiayuan Dong; Shuqi Yu; Koeun Choi; Myounghoon Jeon 001 (Frontiers Robotics AI, 2025)

Exploring parent involvement in e-book joint reading with voice agents. - Daniel Vargas-Diaz; Jisun Kim; Sulakna Karunaratna; Caroline Byrd Hornburg; Koeun Choi; Sang Won Lee 002 (Int. J. Hum. Comput. Stud., 2025)