This study is a qualitative study in which the annotation research method is adapted for the case inquiring.
By literature review and focus group discussion, qualitative study justifies the quantitive result.
The qualitative study indicated that students began to change their behaviors of skipping breakfast, monophagia and eating snacks.
Zhao, J. X. , & Zhang, W. X. (2008). A qualitative study about rural left-home-children's life adaptation. Journal of HenanUniversity, 48(1), 26–31.
Through using the method of literature investigation, qualitative study, questionnaire and mathematical statistics, this paper made investigation on Yangge Exercise group and social control.