Answer:
Self management.
Step-by-step explanation:
These statements below (extracted from the question itself) are the key qualities which are found in a leader with self-management quality.
- Adam is not blaming external environment when things are not going his ways.
- He is taking full responsibility of his behavior.
- He is calm, positive about every situation
- He is helpful towards the other employees and cares for them.
So, it is clear that he is quite good in managing himself.