1. Research purpose: Qualitative research obtains the subjective data of the research object through in-depth interviews and participatory observation, so as to reveal the essence and connotation of the phenomenon, understand the meaning behind it, and pay more attention to the in-depth understanding and explanation of specific situations and conditions. Quantitative research aims at prediction and control, studies the causal relationship of phenomena by collecting digital data, pays attention to universality and objectivity, and aims to explain the causal relationship between variables.
2. Research methods: Qualitative research uses various methods to collect data, such as in-depth interviews, participatory observation, and inquiring files or records, and then finds out the similarity and connotation of * * * through analysis, classification, refining and other methods, emphasizing the subjectivity of researchers and the interaction with research objects. Quantitative research forms hypothesis and scientific research design after determining the subject, and stipulates the methods of collecting data, such as questionnaire survey and experiment.
3. Qualitative research is an exploratory research method, which mainly focuses on the in-depth understanding of human behavior, experience and concepts. This method does not rely on statistical or mathematical methods, but reveals the meaning and complexity behind the phenomenon by collecting and analyzing non-digital data, such as words, images and sounds.