[요 약]
Abstract
Ⅰ. Introduction
Ⅱ. Literature Review
Ⅲ. Methods
3.1 Selection Criteria
3.2 Data Analysis
Ⅳ. Results
4.1 Overall Effect Size
4.2 Effect Size by Categorical Variables
4.3 Effect Size by Continuous Variables
Ⅴ. Discussion and Conclusion
5.1 Discussion
5.2 Conclusion
REFERENCES