Low statistical power undermines the purpose of scientific research; it reduces the chance of detecting a true effect. Perhaps less intuitively, low power also reduces the likelihood that a ...
A chi-square (χ2) statistic is a test that is used to measure how expectations compare to actual observed data or model ...
Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Erika Rasure is globally-recognized as a leading consumer economics ...
An innovative method combining systematic review of published studies, expert opinions, and meta-analysis was used to estimate large, medium, and small differences for QLQ-C30 scores. Published mean ...
When particles in a sample are the same size, one particle can be measured to report the result. If the sample has a narrow distribution, such as 10-25 µm, then measurement of just a few particles can ...
A genome-wide association study ascertains through genome, potential genetic associations between genetic polymorphism and observable traits or disease. 1, 2 Recent advances in DNA technology made it ...
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