The document discusses various research methods and tools for qualitative data analysis. It describes quantitative and qualitative research approaches as well as mixed methods. Key qualitative research types are identified such as grounded theory, ethnography, and phenomenological research. Saunders' Research Onion Model is explained as a framework with six layers including research philosophies, theory development approaches, methodological choices, research strategies, time horizons, and techniques/procedures. Thematic analysis, content analysis, sentiment analysis and discourse analysis are presented as tools for analyzing qualitative data through coding.