Empirical Bi-Action Tables: A Tool for the Evaluation and Optimization of Text-Input Systems. Application I: Stylus Keyboards

• Published in: Human-computer interaction Vol. 17; no. 2; pp. 271 - 309
• Main Authors: Hughes, Dominic, Warren, James, Buyukkokten, Orkut
• Format: Journal Article
• Language: English
• Published: Hillsdale Taylor & Francis Ltd 01.01.2002
• Subjects: Computer science; Empirical bi-action tables; Input; Into; Keyboards; Novices; Portable computers; Prediction; Research methods; Speeds; Stylus keyboards; Text messaging; Users

We introduce a technique that, given any text input system A and novice user u, will predict the peak expert input speed of u on A, avoiding the costly process of actually training u to expert level. Here, peak refers to periods of ideal performance, free from hesitation or concentration lapse, and...