Which linguistic principle revolutionized the design of language learning apps like Duolingo by shifting from traditional grammar-translation methods to more engaging user experiences?

Product design in the linguistics industry requires understanding how language shapes user experience. From dictionary apps to language learning platforms, effective design must consider cognitive processing, cultural contexts, and accessibility. This poll tests your knowledge of how linguistic principles influence modern product design in language-related products and services.

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Spaced Repetition System (SRS)
Transformational Grammar Theory
Syntactic Parsing Algorithm
Morphological Analysis Framework