Beyond Confusion: An Assessment Glossary
By Andrea Leskes, vice president for education and quality initiatives, AAC&U.
Higher education lacks a common vocabulary about assessment and individuals use terms in mutating ways to refer to varying levels of analysis.  The author offers a glossary of educational assessment terms within the college context, focusing on student learning.
http://www.aacu.org/peerreview/pr-sp02/pr-sp02reality.cfm

Assessment Glossary
This assessment glossary is designed to help teachers understand assessment terminology and covers many major terms associated with assessment.
http://marcopolo.mde.k12.ms.us/downloads/social_studies/ss_assessment_glossary.pdf.

Glossary of Useful Terms
A Hotlist Glossary of essential assessment terminology as well as a complete glossary and hotlinked sources for many definitions.
http://www.sabes.org/assessment/glossary.htm

Diversity Dictionary
A resource from the University of Maryland's "Moving Towards Diversity" initiative.
http://www.inform.umd.edu/EdRes/Topic/Diversity/Reference/divdic.html

Evaluation Glossary
This site from Western Michigan provides a glossary of terms in evaluation with a focus on teacher education.
http://www.wmich.edu/evalctr/ess/glossary/

Glossary of Evaluation Terms
Resources from Western Michigan intended to improve communication about evaluations. 
http://ec.wmich.edu/glossary/index.htm

Dictionary of Student Outcome Assessment
A searchable site of assessment terms selected from regional accreditation and state assessment guidelines; from selected presentations at the Assessment Forums of the American Association for Higher Education; from a group of policy makers, government officials, assessment practitioners, testing company representatives; and from Center for Assessment and Research Studies faculty and graduate students at James Madison University.
http://people.jmu.edu/yangsx/