These tests offer a fresh look at your traits, interests and relationships. No account is needed, and your answers never leave your browser. The tests are in the languages shown; sessions at the centre are held in Persian.
Sixteen personality factors test
Describe yourself as you generally are now, not as you wish to be. For each statement, choose how accurately it describes you. The test is long; your answers are kept in this browser tab, so you can take a short break midway.
Source: Based on the 16 preliminary IPIP scales measuring constructs similar to those in Cattell's 16PF (Goldberg; International Personality Item Pool, public domain). This is not the 16PF itself, and scores are not compared with its norms.