CHua DONG,Tongji University In quantitative research: The literature not only helps to substantiate the problem,but it also suggests possible questions or hypotheses that need to be addressed. A separate literature review section is typically found in quantitative studies. In quantitative research: The literature not only helps to substantiate the problem, but it also suggests possible questions or hypotheses that need to be addressed. A separate literature review section is typically found in quantitative studies. ©Hua DONG, Tongji University