Anyone can publish content on the internet, carefully evaluate free information according to the following criteria:
A range of scales and questionnaires provided from validated psychology research
Information about some available scales and questionnaires for clinicians and health professionals. NB. Not all these scales are available in full.
Educational Testing Service (ETS) Test Collection
Approx. 25,000 tests are indexed with information on availability. Tests are principally from North America, but there are also some tests from the UK and Australia.
Psychological Tests for student use
This website has a small number of test that have been uploaded for student use with the authors permission.
This website provides a collection of interactive personality tests with detailed results that can be taken for personal entertainment or to learn more about personality assessment. These tests range from very serious and widely used scientific instruments popular psychology and self produced quizzes. A special focus is given to the strengths, weaknesses and validity of the various systems.
These free tests are range from self-diagnostic psychiatric screening tests to academic research projects gathering data online.
*March 2022: This website if currently being redesigned and is temporarily unavailable* A searchable database with some links
All of these scales are being made available here for use in research and teaching applications. All are available without charge and without any need for permission. Download or print them from the linked pages.
A website containing information on assessment practices and containing some tests.
Search for "international personality item pool" and you should find plenty to choose from.
Google Scholar. Try using this to limit your search to scholarly sources.
Google Advanced Search. You can search within a particular domain eg .gov.uk. This will limit your search to UK government publications.
Or, instead of searching the Internet, go directly to the source. We have selected some websites here that could be useful to your search.
"Double quotation marks". If you're searching for the title of a document or searching for a phrase, enclose your search in "double quotation marks".