TV watching has been tied to low achievement of course, and why would you want that?

看电视与低成就紧绑，那你为什么还要看呢？

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Methods: Mice underwent behavioral training (associated learning) were divided into high and low achievement groups based on their achievements.

方法：对小鼠进行行为训练(联合学习)，然后根据成绩分绩优组和绩低组。

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Amongst educational factors, lack of encouragement and motivation in schools was identified as the reason for low achievement of girls and consequent drop out.

在教育方面，孩子在学校中缺乏鼓励和动机，是导致女童学习成绩不高、进而辍学的主要原因。

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This has resulted in low achievement levels for students particularly in literacy and numeracy.

UNESCO: OFFICE IN APIA

The educational prospects for large numbers of U.S. children are put at risk by poverty and other factors associated with low achievement and dropping out.

UNESCO: II Part Analytic Section

The report says UK schools have had 35 years of "piecemeal reforms" and the result has been a "gentle upswing in performance", judged by international benchmarks, but also a "long tail of low achievement".

BBC: CBI complains of 'exam factory' schools