American Board of Assessment Psychology  
   Certification board for psychologists specializing in assessment. Includes list of members, details of annual conference, and newsletter.
   http://www.assessmentpsychologyboard.org/

About.com: Psychological Testing and Assessment  
   Information and resources about educational and psychological testing and assessment, including a glossary of terms, guidelines and standards, and links to a selection of online tests.
   http://psychology.about.com/cs/test/

Intelligence and Nurture  
   General information about psychological testing with emphasis on giftedness testing and childhood nurture. Brief overview of testing theory, reliabilty, validity.
   http://maxpages.com/raindrops/Psychology+tests

Buros Institute  
   The Buros Institute publishes the Mental Measurements Yearbook and Tests in Print. This site provides information and links to other resources for locating both tests and evaluative reviews of tests.
   http://www.unl.edu/buros/

Tests and Measures in the Social Sciences  
   Keyword and author index to more than 7000 full text assessment instruments available in over 70 compilation volumes.
   http://libraries.uta.edu/helen/test&meas/testmainframe.htm

APA Science Directorate: Testing and Assessment  
   American Psychological Association. Provides information on psychological testing and assessment, acquiring psychological tests, and ordering the Standards for Educational and Psychological Testing guide.
   http://www.apa.org/science/testing.html

Association of Test Publishers  
   An association of test publishers for industrial, clinical and educational institutions. Includes newsletters and articles addressing issues relevant to selection testing.
   http://www.testpublishers.org/

Psychological Testing  
   A description of the types of Psychological Tests, the justification for their uses, and client rights.
   http://www.guidetopsychology.com/testing.htm

BENET Clinical Assessment  
   Selected assessment resources in clinical psychology, neuropsychology and behavior analysis.
   http://www.webenet.com

Cause, chance and Bayesian statistics  
   Briefing document to facilitate understanding Bayesian statistics, including its application to intelligence quotient statistics.
   http://www.abelard.org/briefings/bayes.htm