A Cost–Benefit Study of Text Entry Suggestion Interaction
summary
Measures how suggestion assertiveness—extroverted / ambiverted / introverted—affects real typing utility: a Wizard‑of‑Oz keyboard forces error‑free input, the algorithm matches state‑of‑the‑art 46% theoretical keystroke savings, but observed extroverted suggestions cut average taps only ~10% and actually slow characters‑per‑second and WPM. Users nevertheless rate lower workload on NASA‑TLX. Expect concrete numbers, experimental setup, and the counterintuitive claim that suggestions feel better but don’t save time.
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chapters (6)
- 0:00Introduction and motivation
- 1:56Costs and benefits of suggestions
- 4:51Study design and methodology
- 7:00Key experimental findings
- 9:32Implications and future research
- 11:48Q&A session
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