Evidence progression.
SENSITIVITY
Sequential Bayesian analyses showed that the evidence (BFFor the final sample (For the round of “usability enhancement” optimisations (see “Method”) conducted on Feb 7, 2022, there was evidence for a positive treatment effect of the optimised intervention (BF = 7.31) based on analyses of 28 participants who entered the trial under the optimised intervention.Sensitivity analyses were completed for variation in Bayesian priors or model used, and to assess impact of outliers and missing data imputation (Supplementary Figs. 