Author(s): Frederick J. Gravetter, Larry B. WallnauDifference between 10th and 9th editions Side by side comparison of table of contents helps to figure out the most significant changes. |

**Key differences between 10th and 9th editions**

- Period between current and previous publications: 4 years (2016 vs 2012).
- Gravetter & Wallnau Statistics was first published in 1990.
- Research examples and real world examples have been updated, and the end-of-chapter problems have been extensively revised.
**Chapter 2:**New preview introduces concept of frequency distribution.**Chapter 4:**New preview introduces a measure of central tendency.- Several sections in the chapters 6 and 7 are considerably simplified and shortened.
**Chapter 8:**New preview explains the necessity of new test statistic.**Chapter 11:**- Separate section covering hypothesis testing.
- New section on the comparison of repeated measures design vs independent groups design.
**Chapter 13:**New preview section presents two-factor analysis of variance example.**Chapter 15:**New section covering t statistic for the significance of the correlation coefficient.**Chapter 16:**New section illustrates the equivalence of testing the significance of correlation and testing the significance of regression equation with one predictor variable.**Chapter 17:**New section on Cohen's w, a measure of effect size for chi-square tests.- Former
**Chapter 19**has been converted into*Statistics Organizer* - To gain some insight regarding changes in the Tenth edition see Side by side comparison of table of contents.

Statistics for The Behavioral Sciences

Published by: Cengage Learning, January 01, 2016

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Available |

Published by: Wadsworth Publishing, January 01, 2016

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$95.00 |
From: $36.00 |

Published by: Wadsworth Publishing, January 01, 2016

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$132.80 |
From: $97.25 |

Statistics for the Behavioral Sciences

Psy 200 (300) Quantitative Methods in Psychology

**eBook**, 792 pages

Published by: Wadsworth Publishing, February 01, 2013

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Available |

Psy 200 (300) Quantitative Methods in Psychology

**Hardcover**, 792 pages

Published by: Cengage Learning, January 01, 2012

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From: $32.48 |

Published by: Cengage Learning, January 01, 2012

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$80.00 |
From: $20.49 |

Statistics for the Behavioral Sciences

Published by: Cengage Learning, December 10, 2008

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$162.87 |
From: $4.08 |

**Saving advice**

- The new 10th edition costs
**$35.55**more then used book.