To determine the difference between effectiveness and efficiency we must first look at the definitions of each word. Efficiency is a productivity measuring how fast someone can do something. Effectiveness is the quality of how good a person is. In popular usage, efficiency is linked with money and is used to express how expensive or inexpensive something is to produce per unit. Another method
. of looking at this would be efficiency is doing things right, whereas effectiveness is doing the right things. Great examples can be found: http://www.mckinnonsc.vic.edu.au/vceit/misc/effeff.htm
