From the American Psychological Association. Answers to frequently asked questions are provided below and are divided into three topic areas: published psychological tests, unpublished psychological tests and additional information on the proper use of tests.
Shares its expertise in assessment-related endeavors by providing critical appraisals of tests and descriptive information, offering psychometric consultation services, and developing deeper understanding of testing and assessment practices.
Hosted by Educational Testing Service (ETS) that has information on more than 25,000 standardized tests, measurement devices, and research instruments. The site includes tests from U.S. and foreign publishers and test authors.