You are walking down the street and see someone lying on the sidewalk. You're in a hurry and there are a LOT of people around. You assume someone will help the person and keep walking. You didn't help because of ____________ of responsibility.
Lack of responsibility or lack of prosocial responsibility
Explanation:
Helping, sharing, contributing, cooperating, and volunteering are examples of prosocial activity, which benefits other individuals or society as a whole.