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American Journal of Community Psychology

, Volume 51, Issue 1–2, pp 278–288 | Cite as

Evaluating Medical Marijuana Dispensary Policies: Spatial Methods for the Study of Environmentally-Based Interventions

  • Bridget Freisthler
  • Nancy J. Kepple
  • Revel Sims
  • Scott E. Martin
Original paper

Abstract

In 1996, California was the first state to pass a Compassionate Use Act allowing for the legal use of marijuana for medical purposes. Here we review several current policy and land use environmental interventions designed to limit problems related to the influx of medical marijuana dispensaries across California cities. Then we discuss the special challenges, solutions, and techniques used for studying the effects of these place-based policies. Finally, we present some of the advanced spatial analytic techniques that can be used to evaluate the effectiveness of environmental interventions, such as those related to reducing problems associated with the proliferation of medical marijuana dispensaries. Further, using data from a premise survey of all the dispensaries in Sacramento, this study will examine what characteristics and practices of these dispensaries are related to crime within varying distances from the dispensaries (e.g., 100, 250, 500, and 1,000 feet). We find that some security measures, such as security cameras and having a door man outside, implemented by medical marijuana dispensary owners might be effective at reducing crime within the immediate vicinity of the dispensaries.

Keywords

Environmental interventions Marijuana dispensaries Medical marijuana Bayesian space–time models 

Notes

Acknowledgments

Research for and preparation of this manuscript were supported by NIDA Grant R01-DA-032715, NIAAA Center Grant P60-AA-006282, and NIDA Training Grant T32-DA07272-19.

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Copyright information

© Society for Community Research and Action 2012

Authors and Affiliations

  • Bridget Freisthler
    • 1
  • Nancy J. Kepple
    • 1
  • Revel Sims
    • 1
  • Scott E. Martin
    • 2
  1. 1.UCLA Luskin School of Public AffairsLos AngelesUSA
  2. 2.Prevention Research Center, Pacific Institute for Research and EvaluationBerkeleyUSA

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