Accordingly, they published the first manual for the NEO that included all five of what are now known as the "Big Five" personality traits in 1985, renamed as the NEO Personality Inventory (NEO PI).
Позднее тест был пересмотрен и получил название NEO Personality Inventory (NEO PI, Личностная методика NEO) — таким образом, NEO перестал быть акронимом.