is purposeful selection confounding why are the confounders confounders which is a confounder of log likelihood purposeful selection test log likelihood what is purposeful selection which is not significant on the log likelihood test? which covariate is not found in log likelihood tests? what is purposeful selection why does log likelihood test show confounders purposeful selection and confounding which is not significant when reintroduced the goodness of fit test? is log likelihood significant which of the following is a confounders of the log likelihood test? is covariate a confounder why is the goodness of fit test significant why was goodness of fit test not significant why is goodness of fit not significant which test was significant if not purposeful selection which test is the purposeful selection why is log likelihood not significant for purposeful selection