personology
/ˌpəːsəˈnɒlədʒi/ /ˌpəːsnˈɒlədʒi/Psychology and Sociology
noun
The scientific study of personality; the study of the way behaviour is related to personality.
- Used with varying nuances by different writers..
Origin
1920s. From person + -ology. Apparently re-formed independently by a number of writers.