评定流水线工人的工作绩效是非常容易的，我们可以记录其在一定时间生产产品的数目来判断，但是，如何来评定那些脑力劳动者的工作呢？本文将重点探究这个问题。
Measuring the performance of workers on an assembly line is simple: Count the objects produced and find out how long the process took. That should reveal the productivity of the factory workers.
But how do you determine the performance of knowledge workers? Observing and measuring what they do is an enormous challenge. Th