The failure of bystanders to give victims of automobile accidents needed assistance is sometimes explained as an instance of group polarization A deindividuation B situational attribution C diffusion of responsibility D mere exposure effect

Option c : diffusion of responsibility.

Explanation:most times people don't take action because in their hearts they believe another person will take action or had already taken the initiative to exact that action thereby making the action undone. Diffusion of responsibility is a product or likely to assumptions.

Diffusion of responsibility is a psychological occurence. It is the likelihood that individuals will take an action amidst large group or number of people. Example is when someone Suddenly collapse in an open market and instead of the cross of people to turn around and help they instead start starring at the person and most times start using their phones to capture the scene instead of helping.diffusion or responsibility is simply when someone among a group of people or even crowd fails to render an assistant, or help or information because they are expecting another person among them will answer it or perform the task needed.

answer is b.shrapnel