Thomas, > If by not practical you mean, "no one has implemented a multivariable > testing approach," I'll agree with you. But multivariable testing is > definitely a valid statistical approach to solving just such problems.
Well, not practical as in: "would take either $10 million in equipment or 10,000 hours or both" --Josh -- --Josh Josh Berkus Aglio Database Solutions San Francisco ---------------------------(end of broadcast)--------------------------- TIP 4: Don't 'kill -9' the postmaster