Three Basic Types of Logic Models
1. OUTCOMES MODELThis type displays the interrelationships of goals and objectives.
2. ACTIVITIES MODELThis type links the various activities together in a manner that indicates the process of program implementation providing the big picture of how the activities and processes pull together achieve desired outcomes.
3. THEORY MODELThis model links theoretical constructs together to explain the underlying assumptions of the program. It describes why the program is expected to work.
More details about and examples of the three basic types of logic models can be found by downloading the PDF version of W. K. Kellogg Foundation's Evaluation Handbook.