This short article presents some equivalent varieties of the common Kuder–Richardson Formula 21 and 20 estimators for nondichotomous data belonging to specified other exponential family members, including Poisson count information, exponential info, or geometric counts of trials until finally failure. Using the generalized framework of Foster (2020), an equation for https://jeffreyuvwvu.ampedpages.com/the-basic-principles-of-kuder-richardson-formula-20-54123132