<i>&quot;It actually _is_ of value to have consistency between multiple sections of introductory classes and as preparation for follow on classes in the same sequences (e.g Calc 1, 2 3 having similar structures in class organization)&quot;</i><p>Apparently, learning the material better is more important to future success than consistency: the students in his classes did <i>better</i> in the following classes by .17 grade points than students from other (presumably more consistent) classes.