Galen decided to join the Peace Corps after college and turned down three financially lucrative job offers in the process. He believed that joining the Peace Corps could assist more people than his job offers in the field of advertising

Which of the following best describes Galen's decision?
A) social facilitation
B) altruism
C) costly signaling
D) cognitive dissonance

Answer: B
Rationale: Altruism is helping others in need without receiving or expecting reward for doing so.