【摘要】 该研究运用Ｑ聚类分析对上海市区１４８０名初中预备班学生的能力和个性特征进行分类研究。结果发现１４８０名被试中存有心理发展水平不同的六个主要类别，这些类别与学生学业成绩的优劣关系密切。同时，３５３名差生可分为四个主要类型：即，暂时性困难学生、能力型困难学生、动力型困难学生和整体性困难学生，不同类型的差生具有不同的特点。这为针对不同类型学生的特点制定有效的教育措施提供了依据。更多还原

【Abstract】 This research focuses on the ability and personality of 1480 middle school students in Shanghai area by Q-type clustering, The results show six main different types of psychological development which is related to the acadermic achievement of the students 353 under achievement students can be divided into four main types temporary hinder, ability hinder, motivation hinder and systematic hinder, Different types of students show different characteristics, This research can lay a foundation for drawing up a practical instruction program for different types of students.更多还原