Saturday, 2 July 2016


It "is the ratio of the output to the inputs of any system. An efficient system or person is one who achieves higher levels of performance (outcome, output) relative to the inputs (resources, time, money) consumed."
Bibliographic reference: (n.d.). Effectiveness, Efficiency, and Efficacy : Definition - Health Care and Health Care Informatics Terms - Define Efficiency, Effectiveness, and Efficacy. [online] Available at: [Accessed 2 Jul. 2016].