J. P. Stevens always looks perfect in his business suit. The colours are always right for the season and prevailing style. His tie has the proper knot, he does not wear a tie-tac, his handkerchief is the proper "two-fingers" above the pocket, and his socks and shoes do not distract from his "overall look." With respect to crescive norms, which of the following forms of norms does J. P. seem to be adhering to with his "correctness"?