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The Project Towards No Drug Abuse (TND) Dissemination Trial: Implementation Fidelity and Immediate Outcomes

An Erratum to this article was published on 15 October 2009

Abstract

One of the important research issues in the emerging area of research on dissemination of prevention programs relates to the type and extent of training needed by program providers to prepare them to implement effective programs with fidelity. The present paper describes the immediate outcomes of a dissemination and implementation trial of Project Toward No Drug Abuse, an evidence-based prevention program for high school students. A total of 65 high schools in 14 school districts across the USA were recruited and randomly assigned to one of three experimental conditions: comprehensive implementation support for teachers, regular workshop training only, or standard care control. The comprehensive intervention was comprised of on-site coaching, web-based support, and technical assistance, in addition to the regular workshop. Students (n = 2,983) completed self-report surveys before and immediately after program implementation. Fidelity of implementation was assessed with a classroom observation procedure that focused on program process. Results indicated that relative to the controls, both intervention conditions produced effects on hypothesized program mediators, including greater gains in program-related knowledge; greater reductions in cigarette, marijuana and hard drug use intentions; and more positive changes in drug-related beliefs. There were stronger effects on implementation fidelity in the comprehensive, relative to the regular, training condition. However, seven of the ten immediate student outcome measures showed no significant differences between the two training conditions. The implications of these findings for dissemination research and practice are discussed.

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Acknowledgements

This study was funded by a grant from the National Institute on Drug Abuse (no. 1 R01 DA16090). The authors wish to thank Gaylene Gunning and Rachel Grana for their assistance in program management and data collection.

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Correspondence to Louise Ann Rohrbach.

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An erratum to this article can be found at http://dx.doi.org/10.1007/s11121-009-0155-8

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Rohrbach, L.A., Gunning, M., Sun, P. et al. The Project Towards No Drug Abuse (TND) Dissemination Trial: Implementation Fidelity and Immediate Outcomes. Prev Sci 11, 77–88 (2010). https://doi.org/10.1007/s11121-009-0151-z

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Keywords

  • Dissemination
  • Implementation
  • Substance abuse prevention
  • Fidelity
  • Translation