Looking More Deeply: Fidelity of Implementation as a Critical Component in Evaluating Intervention Impacts

Hornbacher, Margaret
Dretzke, Beverly
Peterson, Kristin
Hickey, Meghan
2008-03
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Looking More Deeply: Fidelity of Implementation as a Critical Component in Evaluating Intervention Impacts

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2008-03

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Center for Applied Research and Educational Improvement

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Conference Paper

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This study investigated the use of fidelity of implementation measures in concert with standardized tests in a matched-pairs, quasi-experimental design for evaluation of a pilot intervention program that was designed to increase second and third graders’ mathematics and reading achievement. Although students in pilot classrooms characterized by high fidelity generally performed at the same level as control students , students in low fidelity pilot classrooms performed at a significantly lower level compared to both control students and students in high fidelity pilot classrooms. We found that the fidelity measures allowed more indepth analysis of the intervention’s component parts and increased the confidence with which the project’s major questions could be addressed, thereby providing more useful information to school district personnel.

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Hornbacher, Margaret; Dretzke, Beverly; Peterson, Kristin; Hickey, Meghan. (2008). Looking More Deeply: Fidelity of Implementation as a Critical Component in Evaluating Intervention Impacts. Retrieved from the University Digital Conservancy, https://hdl.handle.net/11299/138038.

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