如何评价学生学习能力,历来就是较为困难的事,在我校大中专分流中,这个问题就更为突出。本文从学生考试成绩分段直方图基本上呈正态分布出发,粗浅地论述了标准分在“分流”中的应用原理,并提出了应用中需做的一些标准化问题。 How to evaluate students’ learning ability has always been a more difficult task. In our school, the problem is more prominent in the diversion. This paper starts from the normal distribution of students’ test score segmentation histogram, and discusses the application principle of standard score in “shunt”, and puts forward some standardization problems to be used in the application.