抄録
There are many various data in educational field that should be processed metrically. The subjects using these data are classified into following three: 1)researcher for study, 2)teacher for instruction, 3)learner as the receiver of feedback data from teacher. The method of graphic representation of educational data is discussed in this paper on a viewpoint of improving the instruction of teacher above mentioned(2). Some actual examples are introduced: faces method, S-P table, constellation graph and the other similar methods that are used in the field at present. The characteristics and utilities of these methods and graphs are commented and a few opinions are showed at the conclusion.
