论文部分内容阅读
信息不对称问题在健康卫生领域普遍存在。在农村学生眼镜使用方面,信息不对称的一种表现形式是学生有“戴眼镜会伤害视力”的错误认知。基于对西北农村地区2 248名初中生的调研数据,研究发现,近四成学生有“戴眼镜会伤害视力”这种错误认知。这种错误认知显著阻碍了学生对眼镜的使用,使学生的戴镜率和配镜率都显著降低。农村学生眼镜市场“市场失灵”的10%可由“戴眼镜会伤害视力”这种错误认知解释。
The issue of information asymmetry is prevalent in health and hygiene. In rural students use glasses, information asymmetry is a manifestation of students “wearing glasses can damage vision ” misconceptions. Based on the survey data of 2 248 junior high school students in rural Northwest China, the study found that nearly 40% of the students had the false perception that wearing glasses would hurt their eyesight. This kind of misunderstanding significantly hindered the students’ use of the glasses, so that the students wearing glasses and glasses were significantly reduced rate. Rural students glasses market “market failure ” 10% “wearing glasses will damage vision ” This false cognitive explanation.