TY - BOOK AU - Creswell,John W. AU - Creswell,J.David TI - Research design: qualitative, quantitative, and mixed methods approaches SN - 978-1-5063-8676-8 AV - H62 .C6963 2018 U1 - 300.72/1 23 PY - 2018///] CY - Los Angeles PB - SAGE KW - Social sciences KW - Research KW - Methodology KW - Statistical methods N1 - Includes bibliographical references and indexes; 1. The selection of research approach -- 2. Review of the literature -- 3. The use of theory -- 4. Writing strategies -- 5. The Introduction -- 6. The purpose statement -- 7. Research questions and hypotheses -- 9. Qualitative methods -- 10. Mixed Methods Procedure ER -