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 The elements of a habit are generally said to be (1) regularity, (2) specificity, and (3) an involuntary or semiautomatic response. 29 Am.Jur.2d, Evidence § 393 (1994). The last element, however, does not require that the response be reflexive or nonvolitional, but only that it be uniform. Steinberg v. Arcilla, 194 Wis. 2d 759, 535 N.W.2d 444, 447 (Wis. Ct. App.) ('a person's 'regular response' need not be 'semi-automatic' or 'virtually unconscious'' in order to be admissible). 'Adequacy of sampling and uniformity of response are key factors.' FRE 406 Advisory Committee's Note, supra; Wright and Graham, supra, note [One authority notes that ...