意大利经济学家帕累托在研究中发现:在任何特定群体中,重要的因子通常只占少数,而不重要的因子则占多数,因此只要能控制具有重要性的少数因子即能控制全局,这就是著名的黄金定律——“二八法则”。“二八法则”在各个领域被一再证明,所以在教育教学中,也同样可遵循“二八法则”。一般来说,在均衡分班的前提下,班上优等生占20%,后进生一般也占班级人数的20%左右;班级获得的80%荣誉和奖励,往往由占班级人数20%的优等生获得;一位优 Pareto, an Italian economist, found in his research that in any given group, the important factors are usually only a minority, while the unimportant ones are the majority, so as long as the minority factors of importance can be controlled to control the overall situation, This is the famous law of gold - “28 law ”. “28 law ” has been proved again and again in all fields, so in education and teaching, also can follow “28 law ”. In general, under the premise of a balanced placement, students in the class account for 20% of the top class students, students generally also account for about 20% of the class size; 80% of class honors and awards, often by the class number of 20% Students get a good one