Gamiel takes Aliyah out to dinner for the first time. She is very surprised when he does not leave a tip for the waiter. If Aliyah decides that Gamiel did not leave a tip because he is stingy, she is making a attribution. If Aliyah decides that Gamiel did not leave a tip because the service was terrible, she is making a attribution.

Since Gamiel decides to leave without dropping a tip, then, she is making a personal attribution but, If she decides he left because the service was terrible, then, she is making a situational attribution..

A Personal attribution refers to the ascription of someone's behavior to causes within the person concerned.

A situational attribution refers to the ascription of someone's behavior to causes outside the person concerned.

Therefore, because Gamiel decides to leave without dropping a tip, then, she is making a personal attribution but, If she decides he left because the service was terrible, then, she is making a situational attribution.