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Fact · Typing and writing speed

The authors of the 2008 AAC study state that the amount of benefit from word prediction depends in a complex way on the accuracy of the predictions.

Checked against its source on October 16, 2026

In the source's own words

“the amount is dependent in a complex way on the accuracy of the predictions”

Word Prediction and Communication Rate in AAC, Keith Trnka et al., University of Delaware (author copy of the paper), 2008, Abstract.

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What it measures
The abstract states this as the hypothesis the study tests.
What it does not show
AAC simulation, not phone or laptop typing.

Source

The AAC benefit of word prediction depends on prediction accuracy | Yap