Fig. 1

Most commonly endorsed components of intervention fidelity. *NIHBCC domain. **Other = “Determining if fidelity is not delivered if the alternative practice is effective and if so why or why not’ (n = 1), ‘Acceptability of intervention to participants and providers” (n = 1), “Reproducibility” (n = 1), “Ensuring the fidelity criteria are laid out a priori and don’t shift during intervention delivery” (n = 1)