Ja'seph Is at the Gym One Afternoon, Jogging on the Treadmill

Ja'seph is at the gym one afternoon, jogging on the treadmill at 3.0 miles per hour. A stranger gets on the treadmill next to her, and begins running at 6.5 miles per hour. Ja'seph notices this, and slowly increases her own running speed. This enhancement of Ja'seph's performance on a simple task by the presence of others is called ____.

A) social augmentation
B) social facilitation
C) practical inhibition
D) peripheral bolstering