摘要: Interdependence among explanatory variables is a common condition for sociological analyses. It may markedly affect the stability of estimates parameters obtained from least-squares regression. Multicollinearity viewed as problem which poses two questions analyst: how severe multicollinearity and what its effect on analysis? The determinant correlation matrix measure severity multicollinearity. Haitovsky's chi-square statistic permits assessment null hypothesis that singular. This paper demonstrates need this test through an examination published matrices. suggested use Haitovsky be routine in any analysis attempts estimation regression analysis.