J4 ›› 2012, Vol. 11 ›› Issue (10): 5-8.
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The weight is determined by the index of variation degree. The efficacy coefficient method is applied in a telecommunication enterprise for economic benefits of comprehensive evaluation. The practice shows that the evaluation result obtained by the objective weighting efficacy coefficient method has certain reliability and rationality. And the difference of comprehensive evaluation method can be obtained through the comparison with other results. Meanwhile, it has little effect on high related evaluation results.