https://www.selleckchem.com/pr....oducts/cid755673.htm
There was a significant correlation between IPSyn scores and picture description scores when using the GAE scoring system and the strategic scoring systems, but not when using the expansive AAE scoring system. Different scoring systems affect AAE-speaking preschoolers' scores on measures of grammatical accuracy, and the use of an expansive AAE scoring system, based on lists of nonmainstream features, may diminish the ability to differentiate between children with different ability levels. Future research is needed to refine scoring sy