how do you determine the contribution of a covariate how is the contribution of the variable affected by the hypothesis assessed in a a priori test of a conditional model of significance important aicc how to determine the impact of each variable a priori how to evaluate contributions of a covariate what is the contribution of a variable to AIC data how to evaluate the contribution of a covariate how to evaluate the contribution to an a priori model how to evaluate the contribution of a covariate how to evaluate contribution of covariate a priori how to evaluate the contributions of each variable aicc how do i evaluate contributions in an interquartile model if a model is a covariate what is its contribution which covariate is influential how to evaluate contribution of variable x how do i evaluate if covariate is influential how does a covariate in aic determine its importance how do i evaluate the contribution of a covariate for an aic how to determine if a variable is influential how can you assess the contribution of one covariate to a priori? what is aiqc and how is aicc used