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The robustness of parametric statistical methods
definition of robustness simulation studies robustness of interal estimations robustness of statistical tests
2009/12/30
In psychological research sometimes non-parametric procedures are in use in cases, where the corresponding parametric procedure is preferable. This is mainly due to the fact that we pay too much atten...
The robustness of two sample tests for means–a reply on von Eye’s comment
robustness non-normality variance heterogeneity discrete distributions autocorrelation t-test
2009/12/29
The question, which test; the t-test or the Wilcoxon test for comparing means of two distributions has to be preferred must be answered by “the t-test”. Both tests are robust against non-normality wit...
Robustness is parameter-specific A comment on Rasch and Guiard’s robustness study
robustness normality assumption distribution-free t-test autocorrelation
2009/12/29
In this comment on an article by Rasch and Guiard (2004), it is argued that the selection of nonparametric over parametric tests cannot rest solely on the characteristic of tests as robust against non...