迄今为止,差生的概念及特征尚无明确定论。在国内,有些研究者把差生称作学习不良学生,这些学生的智力属于正常范围,但在学习上有严重困难。这一定义排除了智力落后学生。另一些研究者把差生称作学习困难儿童,指的是在某些功能发育上迟缓(如阅读、计算、注意力等方面的缺陷),或者由于某些环境教育因素的不良影响而造成学习障碍的那类儿童。 So far, the concept and characteristics of poor students are not yet conclusive. In China, some researchers refer to poor students as students with poor learning. These students have normal intelligence but have serious difficulties in their studies. This definition precludes mental retardation students. Others refer to poor students as children with learning disabilities, referring to laziness (such as reading, calculating, distractions, etc.) in certain functional development or learning disabilities due to the adverse effects of certain environmental education factors Of that kind of child