Published online by Cambridge University Press: 01 January 2025
A nonparametric test of dispersion with paired replicates data is described which involves jackknifing logarithmic transformations of the ratio of variance estimates for the pre- and post-treatment populations. Results from a Monte Carlo simulation show that the test performs well under Ho and has good power properties. Examples are given of applying the procedure on psychiatric data.
A referee called our attention to valuable references which related to our work, and he suggested the inclusion of competing jackknife procedures into our studies.
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