What is an attribution bias?

An attribution bias is a cognitive (thought) bias that refers to the systematic errors that a person makes when they try to find reasons for their own behaviors and motivations as well as the behaviors and motivations of others. It's normal for people to make attributions (reasons or excuses) for behavior, their own or others.

Could group-serving bias explain cross-cultural differences in attributions?

If the group-serving bias could explain much of the cross-cultural differences in attributions, then, in this case, when the perpetrator was American, the Chinese should have been more likely to make internal, blaming attributions against an outgroup member, and the Americans to make more external, mitigating ones about their ingroup member.

What is self-serving attribution bias?

This is a form of self-serving attribution bias, but instead of enabling us to view ourselves in a positive light compared to other individuals, it enables us to view the groups to which we belong positively compared to other groups.