It establishes the goals of the school and other details like how student performance will be measured.

VOA: special.2010.01.21

And she gave them a normal eyesight chart, measured them, wrote down their performance.

给他们一幅普通的视力表，测量他们的视力，记录结果。

哈佛公开课 - 幸福课课程节选

It's measured by subsequent performance in the amount by which the winner wins equals the amount by which the loser loses, but it costs a lot to play the game.

之后的业绩表现可判输赢,而且赢方赚的钱,就等于输方赔的钱,但是交易本身会产生巨大的成本

耶鲁公开课 - 金融市场课程节选