“…Thus, a ‘classical’ permutation test would fail if data are not exchangeable. Following the ideas of Neuhaus (), Janssen (, ), Neubert and Brunner (), Pauly (), Konietschke and Pauly (), Omelka and Pauly (), Chung and Romano (, ), Pauly et al . (), Pauly, Asendorf, and Konietschke (), and Smaga (), this problem can be solved by studentizing the statistic .…”