Wisenthige, K2026-04-022023-03-10978-166846860-9https://rda.sliit.lk/handle/123456789/4930The framework of methods and techniques that the researcher has chosen to conduct the research is described as research design. In social science research, it is required to collect evidence relevant to the research problem, especially evidence required to evaluate a problem, to test the theory, or to describe a phenomenon. Successful research designs should be able to provide research insights that are accurate and unbiased. This chapter covers the type of research designs, and names key characteristics of a good research design; neutrality, reliability, validity, and ability for generalization as well as qualitative, quantitative, mix method research, and fix and flexible research designs.enResearch designBook chapterDOI: 10.4018/978-1-6684-6859-3.ch006