rigorous, data-based evaluation of whether policies achieve their intended goals and at what cost; generally two parts: effectiveness (outcome) and efficiency (cost effectiveness).
rigorous, data-based evaluation of whether policies achieve their intended goals and at what cost; generally two parts: effectiveness (outcome) and efficiency (cost effectiveness).
quantitative data can be collected by surveys or questionnaires, pretests and posttests, observation, or review of existing documents and databases or by gathering clinical data