Zechmeister, Eugene B.
A practical introduction to research methods in psychology
McGraw-Hill, 1992
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Barker, Chris
Research methods in clinical psychology : an introduction for students and practitioners
John Wiley & Sons, 2002
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Ott, Lyman
An introduction to statistical methods and data analysis
Duxbury Press, 1993
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Elmes, David G
Research methods in psychology
Thomson/Wadsworth, 2006
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Zechmeister, Jeanne S.
Essentials of research methods in psychology
McGraw-Hill, 2001
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