题目内容：

阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。

Recently a new science behind incentives（激励）,   1._ （include） in education, has been discussed．For example, researcher Roland Fryer wanted to see what works best in motivating children 2._  （do） better in school．__3._  some cases, he gave students incentives based on input（输入）, like reading certain books, while in   4.___, the incentives   5.  （base） on output, like results on exams．His main   __6._ （find） was that incentives increased achievement when based on input but had no effect when based on output．Fryer’s conclusion was that the incentives for inputs might be    7.____ （effect） because students do not know how to do better on an exam, apart from general rules like “study harder”．Reading certain books, on the other hand, is a well-set task over    8.__  they have much more control．

As long as you have direct control over your goal, you have 9.__ much higher chance of success．And it’s easier to start again 10._   you fail, because you know exactly what you need to do．