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Fact · Typing and writing speed

A 2009 study found that the way errors are handled significantly changes every frequently used text entry error metric.

Checked against its source on October 16, 2026

In the source's own words

“Our study results show that the way human errors are handled has indeed a significant effect on all frequently used error metrics.”

Analysis of Text Entry Performance Metrics, Ahmed Sabbir Arif and Wolfgang Stuerzlinger, IEEE Toronto International Conference, Science and Technology for Humanity (TIC-STH 2009), 2009, Abstract.

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What it measures
The authors also say that reported entry speeds and error rates from published studies vary widely, so they are hard to compare.
What it does not show
The study is a controlled user study with a limited number of participants, and it concerns text entry research methods generally.

Source

Cited on

Error handling changes every common metric | Yap