Research Methods and Statistics: A Critical Thinking Approach
Key differences between 5th and 4th editions
 Time lapse between previous and current publications: 4 years (2015 vs 2011).
 S. Jackson's Research Methods and Statistics was first published in 2001.
 The Fifth edition contains 15 chapters  just as the previous Fourth edition.
 Statistical Software Resources sections are included in Chapters 5, 6, 8, 9, 10, 11, 12, 14.
 Chapter 7 includes material on basic concepts and rules of probability as wll as standard normal distribution.
 Chapters 9 now covers betweensubjects design and the parametric statistic appropriate for this experimental design.
 Chapters 10 now covers correlatedgroups design and the parametric statistic appropriate for this experimental design.
 Material on nonparametric tests from the 4th Edition's chapter 10 "Inferential Statistics: TwoGroup Designs" has been moved to new Chapter 14.
 New Chapter 14 "Nonparametric Inferential Statistics" covers:
 KruskalWallis Test, a nonparametric testing to compare three or more groups of sample data.
 Friedman Test, a nonparametric test for testing the difference between several related samples.
 New Appendix D Getting Started with Excel, SPSS, and the TI84 Calculator.
5th Edition of
Research Methods and Statistics: A Critical Thinking Approach
eBook, 528 pages
eBook ISBN: 9781305465381
Published by: Cengage Learning, January 01, 2015
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 $41.39 
Hardcover, 528 pages
ISBN10: 1305257790
ISBN13: 9781305257795
Published by: Cengage Learning, January 01, 2015
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4th Edition of
Research Methods and Statistics: A Critical Thinking Approach
eBook
eBook, 528 pages
eBook ISBN: 9781133387244
Published by: Cengage Learning, March 03, 2011
Book Store  Price 
 Available

 $28.79 
Hardcover, 528 pages
ISBN10: 1111346550
ISBN13: 9781111346553
Published by: Cengage Learning, March, 2011
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3rd Edition of
Research Methods and Statistics: A Critical Thinking Approach
Hardcover, 448 pages
ISBN10: 0495510017
ISBN13: 9780495510017
Published by: Wadsworth Publishing, March 17, 2008
Book Store  New  Used  Rent 
 $36.18

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Hardcover
 Used 5th edition can save you $20.91 over the new one.

Used previous 4th edition costs $68.59 less than the used 5th.