Has this test been rigorously studied and are there published results showing its validity?
- September 11, 2018
- NPSP25 Team
The NPSP25 was developed from studies of the science of personality to be educational and useful for people around the world. Be aware, however, that it is not intended to diagnose personality pathology. This test demonstrates the wide range of normal personality styles. There are many standard interview methods available to mental health professionals that have been validated for diagnostic purposes.