Specificity and knownness: The expression of semantic and ...

(Note however, that the three year olds also used definites on first mentions in 54% of all cases). In the experiment by Emslie and Stevenson (1981), 3 and 4 year olds used definite referring expressions between 96 and 100% of the time, and they also used fewer definites on first mentions (between 13% and 15%). ................
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