| 2018 | Effects of Interlocutor Proficiency on Test-Takers’ Test Scores, Interaction Patterns, and Anxiety Levels in a Paired Speaking Test | 현일선 | Doctoral Thesis |
| 2018 | Effects of Digital Textbooks on College EFL Learners’ Self-Regulated Learning, Language Skills, and Affective Aspects | 유지연 | Doctoral Thesis |
| 2017 | Effects of Different Voice-Chat Conditions on Korean EFL Learners’ Speaking Ability, Oral Interaction, and Affective Factors | 김나영 | Doctoral Thesis |
| 2016 | The Effects of Task Complexity and English Proficiency on Korean EFL Learners’ Listening Comprehension of Lectures and Academic Seminars | 차현지 | Doctoral Thesis |
| 2016 | Effects of Grammar Support in a Process-Oriented Composition Class on Korean EFL College Students’ Writing | 김수진 | Doctoral Thesis |
| 2016 | Korean Primary School Learners’ L2 Motivational Self System and the Moderating Effects of Learner Differences | 정윤주 | Doctoral Thesis |
| 2015 | Effects of Wiki-Mediated Collaborative Writing on Korean EFL Learner’s Writing | 오혜진 | Doctoral Thesis |
| 2015 | Effects of Web-Based Instruction and Vocabulary Activity on Korean College Students’ Vocabulary Learning and Reading Comprehension | 김주연 | Doctoral Thesis |
| 2015 | Effects of Author Voice Writing Instruction on EFL Learners’ Writing and Use of Linguistic Voice Features | 성민선 | Doctoral Thesis |
| 2015 | Effects of Repeated Reading on Korean EFL High School Students’ Reading Fluency, Lexical Meaning Access, and Comprehension | 김성희 | Doctoral Thesis |
