主要研究单一方法评价结论的漂移性，以便为组合评价提供实验依据。把现实评价问题分为3大类分别进行仿真实验，利用MATLAB生成待评价对象，利用不同方法进行评价，把评价结果进行标准化处理，并判别评价方法的相容性，以相容方法的平均值为参照系，求各评价方法的漂移度。

In this paper drifting nature in the evaluation conclusion of single method is investigated in order to offer the experiment basis for combination evaluation. First, real evaluation problems are divided into 3 classes and emulation experiments are carried on them separately. Then, objects to be evaluated are generated by Matlab 6.1, and are evaluated by using different methods. Third, the compatibility of the comprehensive evaluation methods is discriminated. Finally, the average of the compatible methods is adopted as reference frame in order to measure drifting degree of each method quantitatively.