The Psycholinguistic Dimension in Second Language Writing: Opportunities for Research and Pedagogy Using Computer Keystroke Logging
TESOL Quarterly
Volume 42, Issue 3, September 2008, Pages: 433–454, KRISTYAN SPELMAN MILLER, EVA LINDGREN and KIRK P. H. SULLIVAN

Article first published online : 30 DEC 2011, DOI: 10.1002/j.1545-7249.2008.tb00140.x

なになにJEditを使ってログをとる？
２秒以上がポーズと記録される。

the location and duration of pauses
(normally identified as those nonwriting occurrences longer than 2 seconds in duration, and indicated as a bracketed number),

これですね
http://www.jedit.org/index.php
なになに、Javaで書かれているので、MacでもWindowsでもLinuxでも使える、、、

どうやってログをとるのかな？