Detecting cumulative watershed effects: the statistical power of pairing

@inproceedings{Loftis2001DetectingCW,
  title={Detecting cumulative watershed effects: the statistical power of pairing},
  author={J. P. Loftis and Lee H Macdonald and Sarah Streett and Hariharan K. Iyer and Kristin Bunte},
  year={2001}
}
Abstract The statistical power for detecting change in water quality should be a primary consideration when designing monitoring studies. However, some of the standard approaches for estimating sample size result in a power of less than 50%, and doubling the pre- and post-treatment sample size are necessary to increase the power to 80%. The ability to detect change can be improved by including an additional explanatory variable such as paired watershed measurements. However, published… CONTINUE READING

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