Fundamental Statistics for the Behavioral Sciences
Key differences between 9th and 8th editions
 Period between current and previous publications: 3 years (2016 vs 2013).
 Howell's "Fundamental Statistics" was first published in 1985.
 The Ninth edition explains material in more clarified form and repeats the most important concepts.
 Updates reflect the state of the statistics science today.
 Each chapter begins with a list of important concepts to be discussed.
 New sections on:
 Calculating the confidence interval of a correlation coefficient (Chapter 9)
 R2 effectsize measures (Chapter 9)
 Multiple regression equation (Chapter 11)
 Using R for solving a multiple regression problem (Chapter 11)
 Confidence intervals can be more useful than a null hypothesis test (Chapter 12)
 Confidence limits on effect size (Chapter 14)
 Bootstrapping statistical technique (Chapter 20)
9th Edition of
Fundamental Statistics for the Behavioral Sciences
eBook, 647 pages
eBook ISBN: 9781305887541
Published by: Cengage Learning, February 22, 2016
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 $35.39 
Hardcover, 647 pages
ISBN10: 1305652975
ISBN13: 9781305652972
Published by: Wadsworth Publishing, February 22, 2016
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 $124.81

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8th Edition of
Fundamental Statistics for the Behavioral Sciences
eBook, 672 pages
eBook ISBN: 9781285531830
Published by: Wadsworth Publishing, February 12, 2013
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 Available

Hardcover, 672 pages
ISBN10: 1285076915
ISBN13: 9781285076911
Published by: Cengage Learning, February 19, 2013
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Cengage Advantage Books
Loose Leaf, 672 pages
ISBN10: 1285081803
ISBN13: 9781285081809
Published by: Cengage Learning, February 19, 2013
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International Edition
Paperback, 672 pages
ISBN10: 1285076931
ISBN13: 9781285076935
Published by: Wadsworth Publishing, March 04, 2013
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 $92.38

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7th Edition of
Fundamental Statistics for the Behavioral Sciences
Hardcover, 652 pages
ISBN10: 0495811254
ISBN13: 9780495811251
Published by: Cengage Learning, January 25, 2010
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 $49.96

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Saving advice
Hardcover
 Used 9th edition can save you $12.48 over the new one.

Used previous 8th edition costs $90.32 less than the used 9th.