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Reach
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The absolute number, proportion, and representativeness of individuals who are willing to participate in a given initiative
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Individual
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Effectiveness
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The impact of an intervention on important outcomes, including potential negative effects, quality of life, and economic outcomes
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Individual
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Adoption
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The absolute number, proportion, and representativeness of settings and intervention agents (people who deliver the program) who are willing to initiate a program
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Staff and Organizational
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Implementation
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The intervention agents’ fidelity to the various elements of an intervention’s protocol, including consistency of delivery as intended and the time and cost of the intervention
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Staff and Organizational
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Maintenance
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The extent to which a program or policy becomes institutionalized or part of routine organizational practices and policies at the setting-level. At the individual level, maintenance is defined as the long-term effects of a program on outcomes 6 or more months after the most recent intervention contact
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Individual and Organizational
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