<prompt> Translate the following text to EnglishUtafiti huu ni muhimu kama uwanja unaendelea kutoka kwa kutathmini ufanisi katika mipangilio ya utafiti hadi kuchunguza ufanisi katika mfumo wa sasa, tata wa utoaji wa huduma za afya.  <response>: This research is crucial as the field progresses from evaluating efficacy in research settings to examining effectiveness in the current, complex health care delivery system. 