Abstract 1. Introduction 2. Literature Review on Second/Foreign Language Phonology 3. Transferability from Korean Phonology 3.1. Transferability and Korean Syllable structure 3.2. Transferability and Dialect difference 4. Experiment 4.1. Subjects 4.2. Materials 4.3. Procedure 5. Results and Discussion 5.1. General Overview 5.2. Positional effects 5.3. Error Types 5.4. Error type differences between dialects 5.5. Error types and proficiency 6. Conclusion and Pedagogical Implications References Appendices