If a speaker abruptly shifts from discussing urban development to astrophysics without signaling, which consequence follows in a listener's comprehension?

💡 Explanation

Abrupt topic shifts impede the listener's ability to construct a coherent topic model, because the sudden change violates expectations of thematic consistency. Therefore, topic model construction is impaired, rather than enhanced prosody, improved semantic role labeling, or increased lexical access, which depend on local linguistic cues.

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