Logic Models and Program Evaluation

Logic models are typically graphical representations of underlying program theory. The U.S. Centers for Disease Control and Prevention (CDC) defines a program logic model as a systematic and visual way to present the perceived relationships among the resources individuals have to operate the program, the activities they plan to carry out, and the changes or results they hope to achieve.

Logic models are used by program managers and evaluators to describe the underlying theory of and the resources and activities required for a program to operate and lead to the desired outcomes and changes. Logic models assist program managers in outlining the resources and activities they need to engage in during program implementation, as well as helping them identify strategies that can be devised for program ...