This document discusses qualitative research tools used in social science. It defines qualitative data as non-numeric data that uses descriptions to understand human behavior. Some common qualitative research tools discussed are interviews, observations, focus groups, and combination research. Interviews can be structured, semi-structured, or unstructured. Observations allow direct observation of behaviors. Focus groups involve open-ended questions with small groups. Combination research uses interviews and focus groups together. The document also covers advantages and disadvantages of qualitative data, such as rich data but time consumption.