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- W2340393622 abstract "This chapter introduces several fundamental concepts related to power and sample size calculations. We first review some key questions that should be considered when developing research studies. We then introduce the concept of statistical power and explain why having adequate power is essential for designing successful studies. Next, we present some basic sample size formulas for when we plan to collect a sample of either continuous or binary data and then wish to construct a confidence interval for the population mean or the population proportion with a certain degree of precision. Subsequently, we present some basic sample size formulas for when we plan to collect one sample, a paired sample, or two independent samples of either continuous or binary data and then wish to test hypotheses about specific characteristics of the populations from which the data came. Finally, we discuss several advanced topics related to sample size calculation and the collaborative process of study design." @default.
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- W2340393622 date "2012-01-01" @default.
- W2340393622 modified "2023-10-17" @default.
- W2340393622 title "Power and Sample Size Calculations" @default.
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- W2340393622 doi "https://doi.org/10.1016/b978-0-12-382167-6.00022-9" @default.
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