Looking at a contrast object before speaking boosts referential informativeness, but is not essential.
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DOI: 10.1016/j.actpsy.2017.06.001
Abstract: Variation in referential form has traditionally been accounted for by theoretical frameworks focusing on linguistic and discourse features. Despite the explosion of interest in eye tracking methods in psycholinguistics, the role of visual scanning behaviour… read more here.
Keywords: contrast object; referring expressions; contrast; looking contrast ... See more keywords