Transcription of Some Practical Guidelines for Effective Sample-Size ...
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Some Practical Guidelines for Effective Sample-Size DeterminationRussell V. Lenth Department of StatisticsUniversity of IowaMarch 1, 2001 AbstractSample- size determination is often an important step in planning a statistical study and it is usuallya difficult one. Among the important hurdles to be surpassed, one must obtain an estimate of one ormore error variances, and specify an effect size of importance. There is the temptation to take someshortcuts. This paper offers some suggestions for successful and meaningful Sample-Size discussed is the possibility that sample size may not be the main issue, that the real goal is todesign a high-quality study.
Some Practical Guidelines for Effective Sample-Size Determination Russell V. Lenth∗ Department of Statistics University of Iowa March 1, 2001 Abstract Sample-size determination is often an important step in planning a statistical study—and it is usually a difficult one. Among the important hurdles to be surpassed, one must obtain an ...
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