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“This is an electronic version of an article published in
Applied Measurement in Education, Volume 21, Issue 2, April 2008, pages 89 – 118.
A\ PPLIED MEASUREMENT IN EDUCATION is available online at:
http://www.informaworld.com/openurl?genre=article&issn=1532-4818&volume=21&issue\ =2&spage=89”
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