Since 2006, Keystroke logging has been an established research method for the study of writing processes.K.P.H. Sullivan & E. Lindgren (Eds., 2006), Studies in Writing: Vol. 18. Computer Key-Stroke Logging and Writing: Methods and Applications. Oxford: Elsevier.V. W. Berninger (Ed., 2012), Past, present, and future contributions of cognitive writing research to cognitive psychology. New York/Sussex: Taylor & Francis. Different programs have been developed to collect online process data of writing activities, including Inputlog, Scriptlog, Translog and GGXLog.
