https://www.selleckchem.com/pr....oducts/piperaquine-p
Accuracy was lower in the backward/carryover direction, and although agreement and consistency were still reasonably high across perceivers, the effect of age group differed between the laboratory and online environments, suggesting measurement error in one or both environments. Overall, the results support using in-lab or online perceptual judgments to measure anticipatory coarticulation in developmental studies of speech production. Further validation study is needed before the method can be extended to measure carryover