Answer:
Diffusion of responsibility
Explanation:
Diffusion of responsibility is the concept that similar in many ways with bystander effect. In this concept when there is something happened in front of a group of people and each individual thinks that the other person is there to take the responsibility called diffusion of responsibility. In this scenario, no one takes responsibility.
Thus when you see an injured dog alongside the road and it seems hit and run by the victim. But that time you are going so busy and you think there is no need for his/her help. Another person is there they will help but no one does that is called diffusion of responsibility.