Abstract
요약
1. INTRODUCTION
2. METHODS
2.1 Measurements
3. RESULTS
3.1 Differences of demographic variables by groups
3.2 Differences of smartphone use by groups
3.3 Differences of mental health by groups
3.4 Differences of Impulsiveness by groups
4. DISCUSSION
4.1 Differences of demographic variables by groups
4.2 Differences of smartphone use by groups
4.3 Differences of mental health by groups
4.4 Differences of Impulsiveness by groups
5. Conclusion
REFERENCES