Theory of Change in a nutshell

By Heléne Clark

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Heléne Clark (biography)

How can you plan to make change happen or evaluate the effectiveness of actions you took? How can you link desired long-term goals with all the conditions that must be in place? How can you map out a step-by-step pathway that highlights your assumptions and expectations?

Theory of Change (ToC) is a graphic and narrative explanation of how and why a change process is expected to happen in a particular context.

At its heart, Theory of Change spells out initiative or program logic. It defines long-term goals and then maps backward to identify changes thought to be necessary to the goal that need to happen earlier (preconditions).

Theory of Change purports to explain change process in diagrammatically modeling all the causal linkages in an initiative, ie., its shorter-term, intermediate, and longer-term outcomes.

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