How to Calculate Fleiss' Kappa in Excel - Statology
AgreeStat/360: computing weighted agreement coefficients (Conger's kappa, Fleiss' kappa, Gwet's AC1/AC2, Krippendorff's alpha, and more) for 3 raters or more
Fleiss' Kappa | Real Statistics Using Excel
Fleiss' Kappa in Excel berechnen - Daten analysieren in Excel (41) - YouTube