In order to reduce the effect of few evaluator’s mistake and prejudice on the result of the group evaluation,
a method of group evaluation information aggregation based on variable weights vector is introduced. According to the
differences between each evaluator’s evaluation and the group evaluation obtained by the linear weighting method, a variable
weights vector is determined, and a variable weights aggregation operator based on the variable weights vector is defined.
Finally, an aggregation example is given. The result shows that this aggregation method can effectively reduce the effect of
some evaluator’s mistake and prejudice on the result of the group evaluation.