Qualitative Research: An Introduction to Methods and Designs

Logic Models

A logic model is a “graphic way to organize information and display thinking” (Wyatt Knowlton & Phillips, 2009, p. 4) that demonstrates the causal relationship between the program's “planned work” and the program's “intended results” (W. K. Kellogg Foundation, 2004, p. 2). Logic models were first introduced in the 1970s and have been used in the private, public, and nonprofit sectors. Evaluators may create logic models to visually demonstrate the planning, implementation, and intended outcomes of the evaluation. According to the W. K. Kellogg Foundation, logic models typically consist of the following steps: resources or inputs and activities (or the work you plan to do), and outputs, outcomes, and impact (the intended results of ...