Logic models make assumptions explicit, facilitate evaluation question generation, communication with stakeholders, and supports continuous improvements. They are also a useful tool for on-boarding new staff members and including in grant proposals.

Blue Scarf recommends that all full-scale evaluation projects include a logic model as part of the planning process. Logic models have played a role in successful evaluations for multiple projects with the Long Island Children's Museum. The example shown here, from the Westbury Science Literacy Partnership, describes in clear and concise language who the program is for, what activities are planned and the intended outcomes for the program.

It's a road map, a visual representation and descriptive text that illustrates the theory of how a project is supposed to work.

What is a Logic Model?