By Phillip I. Good, James W. Hardin
Uploader's Note: Ripped from Wiley Books Online.
Amazon hyperlink: http://www.amazon.com/Common-Errors-Statistics-Avoid-Them/dp/1118294394
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"A very enticing and important publication for all who use facts in any setting."
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Common error in facts (and the way to steer clear of Them), Fourth variation offers a mathematically rigorous, but simply obtainable origin in records for knowledgeable readers in addition to scholars studying to layout and entire experiments, surveys, and medical trials.
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Additional resources for Common Errors in Statistics (and How to Avoid Them) (4th Edition)
Ingredients in a sample-size calculation Smallest Effect Size of Practical Interest Type I error (α) Probability of falsely rejecting the hypothesis when it is true. Type II error (1 − β[A]) Probability of falsely accepting the hypothesis when an alternative hypothesis A is true. Depends on the alternative A. Power = β[A] Probability of correctly rejecting the hypothesis when an alternative hypothesis A is true. Depends on the alternative A. , normal distribution Location parameters For both hypothesis and alternative hypothesis, μ1, μ2 Scale parameters For both hypothesis and alternative hypothesis, σ1, σ2 Sample sizes May be different for different groups in an experiment with more than one group.
Affordable to whom? Klein does not report how many individuals were posed the question or how many responded. Three other precautions can help ensure the success of your survey: 1. Award premiums only for fully completed forms. 2. Continuously tabulate and monitor submissions; do not wait to be surprised. 3. A quarterly newsletter sent to participants will substantially increase retention (and help you keep track of address changes). BEWARE OF HOLES IN THE INSTRUCTIONS The instructions for Bumbling Pharmaceutical’s latest set of trials seemed almost letter perfect.
1. Strongly agree 2. Somewhat agree 3. Somewhat disagree 4. Strongly disagree 5. Not sure 6. Other 7. (Refuse to answer) Did all potential respondents assign the same meanings to “restriction” and “affordable”? What kind of restriction? Affordable to whom? Klein does not report how many individuals were posed the question or how many responded. Three other precautions can help ensure the success of your survey: 1. Award premiums only for fully completed forms. 2. Continuously tabulate and monitor submissions; do not wait to be surprised.
Common Errors in Statistics (and How to Avoid Them) (4th Edition) by Phillip I. Good, James W. Hardin