GTD trainers Paul Vahur and William Elliott talked about how various personality traits may affect GTD practice.
Paul focused on The Big 5 personality traits, but there was also mention of other assessments in the discussion and in the chat window. If you would like to explore, those others included:
DISC
MBTI
Enneagram
StrengthsFinder
The 4 Tendencies
Saboteurs from Positive Intelligence
HEXACO Six Factor
NEO Personality Inventory
Eysenck Personality Questionnaire
RIASEC Model of Interests
Cattell-Horn-Carroll
Strengthsquest