Qualitative research methodology involves strategies for problem-finding or problem-solving, often combining quantitative and qualitative techniques. It is suitable for exploring new areas or understanding significant issues. Common qualitative methods include interviewing and observation. Interviews, the most common data collection method in qualitative research, can be unstructured, semi-structured, or in-depth. Unstructured interviews allow respondents to express themselves freely, while semi-structured interviews use predefined open-ended questions. These interviews are often used in healthcare research and can last 30 minutes to over an hour. Recording interviews helps capture detailed data, though it may be controversial. Focus groups, a form of group discussion, allow participants to openly share opinions but may limit the depth of discussion. Observation is another qualitative method, involving participant observation, ethnography, and field research. Observational data can be used as auxiliary or confirmatory evidence. Research methods reflect the approach to the research problem, and can be either qualitative, quantitative, or mixed. Qualitative methods help refine preconceived notions and provide in-depth analysis. Observational methods can supplement research findings. Research is a systematic effort to examine and restructure realities, theories, and applications. The choice of research methodology depends on the research problem and its features. Qualitative and quantitative methods are often complementary.Qualitative research methodology involves strategies for problem-finding or problem-solving, often combining quantitative and qualitative techniques. It is suitable for exploring new areas or understanding significant issues. Common qualitative methods include interviewing and observation. Interviews, the most common data collection method in qualitative research, can be unstructured, semi-structured, or in-depth. Unstructured interviews allow respondents to express themselves freely, while semi-structured interviews use predefined open-ended questions. These interviews are often used in healthcare research and can last 30 minutes to over an hour. Recording interviews helps capture detailed data, though it may be controversial. Focus groups, a form of group discussion, allow participants to openly share opinions but may limit the depth of discussion. Observation is another qualitative method, involving participant observation, ethnography, and field research. Observational data can be used as auxiliary or confirmatory evidence. Research methods reflect the approach to the research problem, and can be either qualitative, quantitative, or mixed. Qualitative methods help refine preconceived notions and provide in-depth analysis. Observational methods can supplement research findings. Research is a systematic effort to examine and restructure realities, theories, and applications. The choice of research methodology depends on the research problem and its features. Qualitative and quantitative methods are often complementary.