Objective To study effect of family environment on children with poor academic achievement.

目的探讨家庭心理环境对学习不良儿童的影响。

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In teenagers and young children, lack of sleep can result in attention disorders and poor academic performance.

对于青少年和儿童，睡眠不足会导致注意力混乱，学习成绩差。

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A10:Anupward trajectory in grades or some extenuating circumstances that excuse your poor academic performance would be helpful.

上升的成绩趋势或者其他能够解释你平庸的学术表现的情况可能会有帮助。

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Although the city's struggling schools generally face closure because of poor academic performance, the Believe schools are being targeted for fiscal and governance problems.

WSJ: Charter Network Facing Closure

In 2009, one year after Sampson's departure, there came a final insult: Poor academic performance cost the Hoosiers two basketball scholarships for a season.

WSJ: Indiana Hoosiers Are Back, but Missing Bob Knight

It does not always occur, however research has indicated that father absence can lead to poor academic performance, and in some instances lead to delinquent behaviors.

WHITEHOUSE: Effective Strategies for Working with Fathers Returning from Prison | The White House