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A word-rank by word-frequency plot that show a day’s worth of speech input for hypothetical children who hear 50,000, 20,000 or 2,000 words per day (top) along with a log-log scale version of this graph (bottom). Words were randomly selected from all of CHILDES. The table shows the type counts (number of unique words) and the type-token ratio of the day’s input for these three hypothetical children.
