当前,偏差质测验盛行于日本全国。初、高中毕业生升学时均需参加这种测验,即使小学毕业生升学时也不例外。这种偏差质教育,来源于六十年代开始的偏差质测验。当时日本高中毕业生在考大学之前所进行的模拟考试被称之为偏差质测验。“偏差质”本是统计学中的概念,原指某数距平均数的差质。设考生平均分数 At present, the deviation quality test prevails in Japan. Early and high school graduates are required to take such tests as they progress to school, even if elementary school graduates go to school. This kind of bias education comes from the test of bias quality that began in the 1960s. At that time, Japanese high school graduates took the mock test before the university entrance examination as a deviation test. The “quality of deviation” is the concept in statistics, originally referring to the difference of the average number of a certain number. Set candidates average score