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New to This Edition
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- Greater emphasis on effect size, power, and confidence intervals to reflect the recommendations of the APA Task Force on Statistical Inference.
- Earlier presentation of chi-square and inference about correlation.
- Greater emphasis on confidence intervals as an alternative to hypothesis testing.
- New pedagogy, including Chapter Objectives and Chapter Summaries, as well as the placement of key terms, symbols, and formulas prominently placed in the margins of the text.
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