Testing and Exploring the Limits of Traditional Notions of Fidelity and Adaptation in Implementation of Preventive Interventions Authors: Cara C. Lewis, Aaron R. Lyon, Sacha A. McBain, & Sara J. Landes University of Washington affiliated authors are displayed in bold. Published: January 2019 Read the full text in the subscription access Journal of Primary Prevention More in Fidelity More in Pragmatic Measurement More in Mechanisms