What is program fidelity?

At Adelphoi Innovative Solutions, we spend a lot of time thinking about program design and fidelity. We are not alone. Over the past decade, as the human service field has matured, research has advanced. And the capacity to collect and analyze data has improved. Almost everyone is thinking about fidelity more. Fidelity is not a difficult concept to understand. It is faithfulness to a cause or routine with a precise degree of exactness in its reproduction. Fidelity essentially tells you how, when, and why a program works. …