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Evaluation Theory

The Research and Evaluation Bureau uses its own Layered Evaluation Strategy (LES) to conduct evaluation research.  LES is a program evaluation methodology that applies global research questions within three interdependent and primary program layers to address specific programmatic elements in a comprehensive, yet flexible manner. 

The three layers are 1) participant background factors, 2) program factors, and 3) outcomes.The three layers within any LES evaluation remain constant, but the global research questions are specifically adapted to each program evaluation or initiative. 

By utilizing both quantitative and qualitative data, the goal of an LES evaluation is to identify facilitators, barriers, and best practices relevant to any program design and implementation.  The related LES layers and corresponding research questions follow:

IMAGE: LES graphic

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