When jorge does badly on a test or paper, he usually says either the professor was unfair or he had too much to do that week and couldn't study like he wanted to. but when his friends do badly on a test, he tends to think they're not good in that subject or they aren't disciplined. this is an example of:

When Jorge does badly on a test or paper, he usually says either the professor was unfair or he had too much to do that week and couldn't study like he wanted to. But when his friends do badly on a test, he tends to think they're not good in that subject or they aren't disciplined. This is an example of:
self-serving bias