Research of 4M1E's effect on engineering quality based on structural equation model

Abstract

The paper defined the concept of engineering quality and 4M1E, and proposed the five direct assumptions that 4M1E all significantly affect the quality of engineering as well as the four indirect assumptions that man factors will affect the quality of engineering by impacting other factors. Then based on the structure equation model, the paper analyzes whether the factors of 4M1E all affect the quality of engineering significantly as well as the relative importance of the five factors. Finally, the paper gives some recommendations on how to control the five factors according to the results of the model. The paper shows that man, environment and machine are the significant factors affecting the engineering quality. Meanwhile, man factors will indirectly affect engineering quality by affecting machine factors.

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