Statistics for engineers and scientists по Navidi, William

Statistical techniques in business & economics по Lind, Douglas A., Marchal, William G., Wathen, Samuel Adam

Research design qualitative, quantitative, and mixed methods approaches по Creswell, John W., Creswell, J. David

Exploring rating scale functioning for survey research по Wind, Stefanie A. (Anne)

Research design qualitative, quantitative, and mixed methods approaches по Creswell, John W., Creswell, J. David

Secondary data in mixed methods research по Watkins, Daphne

Adventures in social research data analysis using IBM SPSS statistics по Babbie, Earl R., Zaino, Jeanne, Wagner, William E. (William Edward)

Political analysis a guide to data & statistics по Loveless, Matthew

Experimental designs по Ariel, Barak, Bland, Matthew, Sutherland, Alex

The SAGE encyclopedia of research design

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