Core Intervention Components: Identifying and Operationalizing What Makes Programs Work. Executive Summary

02/01/2013

Rather than being based on hunches and best guesses, intervention programs are increasingly expected to be evidence-based. However, when evidence-based programs are replicated or scaled up, it is critical not only to know whether a program works, but which program elements are essential in making the program successful. To date, though, few programs have had hard data about which program features are critical "core components" and which features can be adapted without jeopardizing outcomes.

What information is needed to select and implement programs that address the needs of identified populations? "Core components" include the functions or principles and related activities necessary to achieve outcomes. Strategies for a well-operationalized program include a clear description of: the context of the program; the core components; the active ingredients to operationally define the core components so they can be taught and learned and can be implemented in typical settings; and a practical strategy for assessing the behaviors and practices that reflect the program's values and principles, as well as the program's active ingredients and activities. Also, when outcomes are not achieved, an understanding of core components and whether they were implemented correctly is essential to understanding whether a program is ineffective, or alternatively, whether it was not implemented well.

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