American Board of Assessment Psychology - Certification board for psychologists specializing in assessment. Includes list of members, details of annual conference, and newsletter.
Psychological Testing - Describes commonly used psychological tests, including their development and typical applications. Mental health job postings and discussion of issues and news related to professional psychology are also available.
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.
Intelligence and Nurture - General information about psychological testing with emphasis on giftedness testing and childhood nurture. Brief overview of testing theory, reliabilty, validity.
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.
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.
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.
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.
Psychological Testing - A description of the types of Psychological Tests, the justification for their uses, and client rights.
BENET Clinical Assessment - Selected assessment resources in clinical psychology, neuropsychology and behavior analysis.
Cause, chance and Bayesian statistics - Briefing document to facilitate understanding Bayesian statistics, including its application to intelligence quotient statistics.
Psych Central - Self-Help Quizzes - Short quizzes for self-diagnosis of adult ADD, depression, mania, eating disorders, OCD, sexual addiction, and domestic violence.