Shaughnessy, John J.
Research methods in psychology
McGraw-Hill, 2006
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Dunn, Dana S.
Research methods for social psychology
Wiley-Blackwell, 2009
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Zechmeister, Jeanne S.
Essentials of research methods in psychology
McGraw-Hill, 2001
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Elmes, David G.
Research methods in psychology
Brooks/Cole, 1999
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Shaughnessy, John J.
Research methods in psychology
McGraw-Hill, 2012
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