How should programs align with the fidelity principle?

The fidelity principle emphasizes the importance of implementing programs as closely as possible to their original, research-based designs. This approach ensures that the evidence supporting the program's effectiveness is maintained. By adhering to the core components and methodologies established through rigorous research, programs are more likely to achieve the desired outcomes.

Research-based designs are typically tested in controlled environments where specific strategies have yielded positive results. Implementing these designs as intended respects the integrity of the original study and maximizes the likelihood of success in real-world applications.

In contrast, adapting programs without sound justification based on research or ignoring past research may lead to inconsistencies that dilute their effectiveness. While some flexibility might be necessary in practical applications to cater to particular contexts or populations, the foundational elements derived from evidence-based practices should not be overlooked or significantly altered if the goal is to maintain fidelity and effectiveness.