16 Factor Personality Factor (16PF)
The 16 Factor Personality Factor (16PF) is a self-report instrument developed by the team of Raymond B. Cattell, Maurice Tstsuoka and Herbert Eber. It was designed to serve as a a measure of normal personality that is used in psychology and psychiatry as a tool for diagnosis of mental illness as well as treatment planning. In general use, this test is also used for career and occupational planning. This measure consists of 16 different personality dimensions known as source traits.