This is a conventional null hypothesis significance test (NHST) for the goodness of fit test, albeit with the “hoped for” decision reversed so that the aim is now to “accept” the null hypothesis, and not reject it. If the discrepancy (expressed as a χ2 variate) between the model implied covariances and the observed sample covariances is larger than the expected distribution value by a probability usually adjudged at a 0.05 threshold (as per convention in NHST), then the model is rejected as