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Empirical studies have found that policies aimed at reducing youth access to tobacco have been successful at increasing retail compliance, but their effects on actual tobacco use are mixed. This article presents a model of youth access policies that helps explain the apparently conflicting results in the extant literature, provides a framework for future empirical studies, and suggests implications for public policy. Our model highlights the interaction of components in a well-designed policy, including sufficient compliance checks, penalties, and community involvement. It also illustrates why it will be difficult to eliminate all of youth supply. Nonretail sources, such as borrowing or stealing from parents and siblings and purchasing from older peers through black markets, are an important component of youth supply and become more important as retail access is reduced. The analysis is limited to policies that affect the retail supply of cigarettes but suggests the need for other policies that affect the demand for cigarettes, such as taxes and cessation policies, in order to further reduce youth smoking rates. 相似文献
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Taphonomy of marine environments has been studied mostly from individual cases. The formation of adipocere, or "grave-wax," is an important indicator of the postmortem interval. In the present paper, the conditions and the timing of adipoceric formation are observed in a series of 15 cadavers recovered at different times, over a period of 433 days, from the same contained environment. Initial foci of adipocere on the subcutaneous tissue of the cadavers were detected as early as 38 days from the time of immersion in cold (10-12 degrees C) sea water. The discrepancies between our findings and previous reports on the correlation between time since death and decomposition stages in marine environments are discussed. 相似文献
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Cary D. Rostow Robert D. Davis Judith P. Levy 《Journal of Police and Criminal Psychology》2002,17(2):1-8
In the current legal atmosphere, any practicing professionals, including police psychologists, may expect to have their decisions
challenged in court. If such a challenge is not met, it may have a disastrous financial and reputational impact for both the
psychologist (and other expert consultant) and the employer or contractor by whom the psychologist has been retained. The
rules for expert witness qualification throughout the nation have been very strongly effected by the introduction of the Federal
Rules of Evidence in 1975 and subsequent case law, particularly theDaubert, Joiner, andKumho Tire Supreme Court decisions. This article examines the history of the development of theDaubert Standard and proposes principles for potential expert witnesses in order to minimize the likelihood of aversive consequences, such
as disqualification or malpractice accusations.
Authors' Note: Cary Rostow, Ph.D., is president of Matrix, Inc., Baton Rouge, Louisiana, and is in private practice in Baton Rouge. He holds
a Diplomate in Police and Criminal Psychology from the Society for Police and Criminal Psychology. Robert Davis, Ph.D., is
executive vicepresident and director of science, research, and development, for Matrix, Inc., and has a private practice in
Baton Rouge, Louisiana. He holds a Diplomate from the Society for Police and Criminal Psychology. Judith Levy, Ph.D., is currently
a postdoctoral fellow at Matrix, Inc. 相似文献
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