Evaluation Proposal
Chapter 8
Theory of Change and Program Logic Models
Models are concept maps about how a program should work
Depict an idea
Display thinking
Clarify relationships
Organize information
Two types of models are useful for evaluation
Theory of Change Model
Program Logic Model
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Theory of Change models
Display a program in bare-bones form
Essentially showing how a change the program seeks will come about
Logic Models are mode detailed representations of how a program is designed to work. They depict
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Resources (known as inputs)
Activities (what the program does)
Outputs (the services that are delivered)
Outcomes (for clients) and impacts (for the community or society)
Logic Models use an IF-THEN logic
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IF we have these resources
THEN we can provide these activities
IF we provide these activities
THEN we can produce these outputs
IF we have these outputs
THEN we can secure these outcomes
Is the program doing the right things?
Is the program doing things right?
What has changed for participants?
What are the larger impacts of the program on the community or society?
Logic Models serve as concept maps that guide the evaluation process. The help us focus on key questions
Building Logic Models
Begin with a theory of change model
Clearly identify desired changes or outcomes
Identify the activities that will bring the changes about
List the resources that are required
Commit to specific outputs which will produce the outcomes
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Building a Logic Model ideally involves a group process
Various relevant stakeholders can be involved
Valuable insights and a shared understanding can result from the group process