Web-Based Training: An Overview of Training Tools for the Technical Writing Industry
http://www.attw.org/TCQarticles/8.1/8-1Driscoll.pdf
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  peer-reviewed

Driscoll, Margaret and John E. Reid, Jr.
Technical Communication Quarterly
1999

Abstract:

This article provides technical training managers with an overview of the range of Web-based training solutions available to their organizations.  The solutions range from individual drill and practice opportunities to live collaborative group learning.  This article defines four broad categories and characterizes each.  The most popular type, Web/computer based (W/CBT), is analyzed and four levels of W/CBT programs are presented.  Included are tables summarizing considerations for selecting a development approach.