“…Along these lines, McKinlay (1975) observed that ''one stroke of effective health legislation is equal to many separate health intervention endeavors and the cumulative efforts of innumerable health workers over long periods of time.'' Indeed, several legislative programs to promote public health, such as California's tobacco tax (Proposition 99) to reduce smoking and laws mandating the use of vehicular child safety seats, raising the legal age for alcohol purchase and drivers' licensure, and lowering vehicle speed limits, have been empirically evaluated and shown to be effective in achieving specified health promotion objectives (e.g., the reduction of smoking prevalence and traffic-related fatalities; Breslow & Johnson, 1993;Fawcett, Seekins, & Jason, 1987;National Safety Council, 1987;Williams, Karpf, & Zador, 1983).…”