Cancer statistics, 2014
Abstract Each year, the American Cancer Society estimates the numbers of new cancer cases and deaths that will occur in the United States in the current year and compiles the mo...
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Semiconductor Clusters, Nanocrystals, and Quantum Dots
Current research into semiconductor clusters is focused on the properties of quantum dots—fragments of semiconductor consisting of hundreds to many thousands of atoms—with the b...
Use of Ranks in One-Criterion Variance Analysis
Abstract Given C samples, with n i observations in the ith sample, a test of the hypothesis that the samples are from the same population may be made by ranking the observations...
Saturation in qualitative research: exploring its conceptualization and operationalization
Saturation has attained widespread acceptance as a methodological principle in qualitative research. It is commonly taken to indicate that, on the basis of the data that have be...
Interrater reliability: the kappa statistic.
The kappa statistic is frequently used to test interrater reliability. The importance of rater reliability lies in the fact that it represents the extent to which the data colle...
A comparison of methods to test mediation and other intervening variable effects.
A Monte Carlo study compared 14 methods to test the statistical significance of the intervening variable effect. An intervening variable (mediator) transmits the effect of an in...
A Modified Poisson Regression Approach to Prospective Studies with Binary Data
Relative risk is usually the parameter of interest in epidemiologic and medical studies. In this paper, the author proposes a modified Poisson regression approach (i.e., Poisson...