A Waitress Assumes a Group of Poorly Dressed Customers to Be

Multiple Choice

A waitress assumes a group of poorly dressed customers to be ungenerous tippers. She doesn't pay much attention to them during their meal, forgets to bring their drinks, and doesn't ask if they want dessert. In the end, she gets the result that she expects, a very small tip. This is an example of

A) the halo effect.
B) selective perception error.
C) fundamental attribution bias.
D) self-serving bias.
E) a self-fulfilling prophecy.