“…For example, a systematic review of cascade training found that few studies measured learning outcomes, and although all showed positive results, the measures of impact on skills or practice were insufficient for meaningful synthesis. 5 If found feasible, the next question is whether programmes like the PET courses can yield tangible improvements in clinical outcomes. Although assessing this objective is challenging, it remains the ultimate goal of educational interventions and signifies the next frontier in healthcare human resource development.…”