California State Univiersities:  This site has a good but outdated (last updated in 2003) list of links to individual Cal State University assessment websites, scoring rubrics, articles on assessment and assessment conferences.

Authentic Assessment Toolbox: Describes components of rubrics, various types, and applications.  Contains samples as well as tutorials on building rubrics.

A Primer: Diagnostic, Formative, & Summative Assessment:  An essay describing these three assessment types.  The section on reliability is specifically related to rubrics. 

Related Topics:

SLO 101:  Student learning outcome forum with discussions, links and tutorials.