​Walker is a supervisor at an exporting unit. He has a cheerful disposition, and encourages and appreciates his team members who suggest ideas or accomplish tasks. Which of the following traits best describes Walker's behavior?

A) ​Extraversion
B) ​Courage
C) ​Tenacity
D) ​Personalized power motive

Extraversion

A personality trait characterized by outgoingness, high energy, and a tendency to seek stimulation and the company of others.

Cheerful Disposition

A consistent state of being happy, optimistic, and positive in one's outlook or mood.

Personalized Power Motive

The drive to influence or control situations in a way that is tailored to one's own interests or desires.