Graziano, Anthony M.
Research methods : a process of inquiry
Pearson Education, 2014
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Methods of research in social psychology
Elliot Aronson...[et al.]
McGraw-Hill, 1990
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Research methods in the social sciences
edited, Bridget Somekh, Cathy Lewin
Sage, 2005
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Dunn, Dana S.
Research methods for social psychology
Wiley-Blackwell, 2009
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Bartholomae, David J.
Mathematical methods in social sciences
John Wiley & Sons, 1981
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