Comparative and non-comparative evaluation in educational technology

Blind Scores in a Graduate Test: Conventional Compared with Web-based Outcomes http://youmna25.blogspot.com/2009/04/blind-scores-in-graduate-test.html

A Summary of a Comparative study

http://youmna25.blogspot.com/2009/04/summary-of-comparative-study.html

presentation : http://www.slideshare.net/u058688/comparative-and-non-comparative-study