The present study aimed at investigating the effectiveness of bottom-up (BU) and top-down (TD) approaches on EFL learners’ vocabulary learning, the difference in the effects of the two approaches depending upon their level of vocabulary proficiency, and their perception of the approaches. For this study, 122 college students were divided into two approach groups and to two levels in each group depending upon their level of vocabulary knowledge. They were trained with either of the approaches for one semester. The results were that 1) there was no statistically significant differences between the BU and TD approaches, even though the two approaches were effective to improve the students’ vocabulary knowledge; 2) high-level students failed to show any significant differences between the two approaches in the two tests, whereas low-level students in the BU group performed significantly better than those in the TD group in the production test; and 3) they preferred the BU or TD approach to the traditional method in vocabulary learning, and they listed some advantages and disadvantages of the approaches.

1. INTRODUCTION
2. LITERATURE REVIEW
    2.1. What Is an Ideal Way of Vocabulary Learning?
    2.2. Bottom-Up and Top-Down Approaches in Vocabulary Learning
    2.3. Research on Vocabulary Teaching and Learning in the Korean Setting
3. RESEARCH DESIGN
    3.1. Participants
    3.2. Instruments
    3.3. Procedures
    3.4. Data Analysis
4. RESULTS AND DISCUSSION
    4.1. Students' Vocavulary Knowledge According to the Two Approaches
    4.2. Students' Vocabulary Knowledge According to the Two Approaches Depending upon Their L2 Proficiency Level
    4.3. Students' Perception of the Two Vocabulaty Learning Approaches
5. CONCLUSION
REFERENCES

• Jeong-Won Lee(Chungnam National University)
• Kyeong-Ok Yoon(Republic of Korea Air Force Academy) Corresponding author