Vertness
One axis. Two ways of seeing.

• Mental energy tends to flow outward
• Gains energy through interaction with others
• Loses energy when alone
• Active and action-oriented, sensitive to the external environment
• Strong tendency to take initiative
• Easily builds rapport with new people
• Skilled at self-presentation
• Prefers teamwork and collaborative activities

• Mental energy tends to flow inward
• Recharges by spending time alone
• Expends energy in group settings
• Attention naturally gravitates toward thoughts and feelings
• Tends to be passive, waiting for stimulation to come
• Prefers a small number of deep relationships
• Excels at sustained concentration
• Prefers working independently