Determining sample size: balancing power, precision, and practicality

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Oxford University Press,
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A researcher's decision about the sample to draw in a study may have an enormous impact on the results, and it rests on numerous statistical and practical considerations that can be difficult to juggle. Computer programs help, but no single software package exists that allows researchers to determine sample size across all statistical procedures. This pocket guide shows social work students, educators, and researchers how to prevent some of the mistakes that would result from a wrong sample size decision by describing and critiquing four main approaches to determining sample size. In concise, example-rich chapters, Dattalo covers sample-size determination using power analysis, confidence intervals, computer-intensive strategies, and ethical or cost considerations, as well as techniques for advanced and emerging statistical strategies such as structural equation modeling, multilevel analysis, repeated measures MANOVA and repeated measures ANOVA. He also offers strategies for mitigating pressures to increase sample size when doing so may not be feasible. Whether as an introduction to the process for students or as a refresher for experienced researchers, this practical guide is a perfect overview of a crucial but often overlooked step in empirical social work research.
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Grouped Work ID ced5010f-3bca-7562-d782-19166a2eb1c0
Grouping Title determining sample size balancing power precision and practicality
Grouping Author dattalo patrick
Grouping Category book
Last Grouping Update 2018-08-06 04:40:45AM
Last Indexed 2018-08-14 04:58:29AM

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series Pocket guides to social work research methods
series_with_volume Pocket guides to social work research methods|
title_display Determining sample size : balancing power, precision, and practicality
title_full Determining sample size : balancing power, precision, and practicality / Patrick Dattalo
title_short Determining sample size :
title_sub balancing power, precision, and practicality