The two dimensions of unethical buyer practices were next subjected to a confirmatory factor analysis . CFA to assess convergent and discriminant validity . Gerbing and Anderson, 1988 . Researchers conducting a CFA use a chi-square test to determine whether the hypothesized model fits the data. However with real-world data, the chi-square statistic will often be significant even if the model provides a good fit . James et al., 1982 . For this reason, researchers generally supplement the chi-square test with additional stand-alone goodness-of-fit indices