"Regression to the mean" . "regression to the mean" . "Regression toward the mean" . "mean-reverting" . . "mean reversion" . . . "regressed to the mean" . "Regression toward the mean" . . "regress to the mean" . "regresses towards the mean" . "[8]" . . "regress toward the mean" . "regressions toward the mean" . . . "regression" . "mean regression" . . "regression toward the mean" . . . . "regressing toward the mean" . "\\\"return or regression to the mean\\\"" . . "regression-to-the-mean" . "Regression towards the mean" . .