Validitygeneralization (VG) is one of the most useful methodologies to estimate the effect sizes of predictor-criterion relationships based on the techniques of meta-analysis.
元分析是研究效度概化问题的技术，是对具有“预测因子-效标”特征的相关数据进行定量综合的方法。
2
Inductive validity on the other hand requires us to define a reliable generalization of some set of observations.
归纳有效性另一方面要求我们确定一个可靠的泛化的一些意见。
3
At last, the model of physiognomy automatic generalization is building and its validity is validated by the experiment.