First, quantitative evaluation refers to evaluating with objective data (number). On the other hand,
qualitative evaluation is difficult to accurately express in numbers, but efforts and sincerity are the
main factors of evaluation. In other words, quantitative is an evaluation that focuses on objective
"number" vs. sincerity on subjective "situational description." For example, when analyzing
substances in chemistry, it is expressed as qualitative analysis to focus on "what substances are in
this sample" and quantitative analysis to focus on "how much specific substances are contained in
