“…Testing (1) is a problem with a long on-going tradition, and occurs in diverse fields such as biostatistics (see Page, 1955;Worsley, 1986;Blackstone, 2004), econometrics (see Dufour, 1982;Krämer, Ploberger and Alt, 1988;Zeileis et al, 2005), mathematical statistics (see Csörgő and Horváth, 1997;Hjort and Koning, 2002;Horváth and Hušková, 2005), sequential analysis (see Lai, 2001), simulation (see Schruben, 1982), and monitoring and surveillance (see Box and Luceño, 1997;Frisen, 2003). koning@few.eur.nl The problem also occurs in statistical process control (see Stoumbos et al, 2000;Woodall, 2000).…”