coefficient of concordance(n = noun.cognition) - a coefficient of agreement (concordance) between different sets of rank orderings of the same set of things;
is a kind of kendall test

absorption coefficient, biserial correlation coefficient, coefficient, coefficient of absorption, coefficient of correlation, coefficient of drag, coefficient of elasticity, coefficient of expansion, coefficient of friction, coefficient of mutual induction, coefficient of reflection, coefficient of self induction, coefficient of viscosity, concordance, correlation coefficient, differential coefficient, drag coefficient, multiple correlation coefficient, pearson product-moment correlation coefficient, phi coefficient, product-moment correlation coefficient, rank-difference correlation coefficient, rank-order correlation coefficient, regression coefficient, tau coefficient of correlation, tetrachoric correlation coefficient