TY - BOOK AU - Creswell, John W AU - Creswell, J. David TI - Research design: qualitative, quantitative and mixed methods approaches SN - 9781506386768 PY - 2018/// CY - London PB - Sage KW - Research design KW - Methods N2 - This best-selling text pioneered the comparison of qualitative, quantitative, and mixed methods research design. For all three approaches, John W. Creswell and new co-author J. David Creswell include a preliminary consideration of philosophical assumptions, key elements of the research process, a review of the literature, an assessment of the use of theory in research applications, and reflections about the importance of writing and ethics in scholarly inquiry ER -