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目的：了解电视机、游戏机等对儿童青少年身心健康的影响。方法：对800名14岁男学生进行横断面调查。结果：常看电视与不常看电视学生在身高、体重、视力低下以及学习成绩、不良行为等方面都存在着显著性差异。结论：家长应严格控制学生看电视的时间。
Purpose: To understand the impact of televisions, game consoles and other physical and mental health on children and adolescents. Methods: A cross-sectional survey of 800 14-year-old boys was conducted. Results: There is a significant difference between the students who watch TV and those who do not often watch TV in terms of height, weight, poor eyesight, academic performance and bad behavior. Conclusion: Parents should strictly control the students’ time watching TV.