Grey multi-dimensional clustering analysis of 37 lessons of middle school

In this paper, grey multi-dimensional clustering analysis is used to investigate 37 lessons of middle schools from experts´ observations. According to ten indicators of instruction effect, the grey multi-dimensional clustering analysis was applied to 37 lessons of 8 disciplines. Indicators were distinguished in three levels including high, medium and low by different contribution rates of instruction effect. The Analysis method suggested in this paper provided quantitative basis for classroom teaching assessment and curriculum construction in middle school.