Which linguistic device did researchers find most effective in making the slogan 'Got Milk?' memorable according to a 2018 study of consumer language processing?

Brand slogans are fascinating examples of applied linguistics in action. The most effective slogans utilize linguistic devices like alliteration, rhythm, rhyme, and semantic framing to create memorable phrases that stick in consumers' minds. This poll tests your knowledge of how language science has been analyzed in some of the world's most successful marketing phrases. Can you identify the linguistic principle that made these slogans particularly effective?

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Phonological deviance (deliberate grammatical error creates cognitive tension)
Morphological minimalism (using the shortest possible word forms)
Interrogative framing (using a question to create engagement)
Semantic juxtaposition (combining unrelated concepts)