Betty and Tina,both Third-Graders in the Same Classroom,are Assigned by Their

Betty and Tina,both third-graders in the same classroom,are assigned by their teacher to different groups that will compete in a spelling bee.Betty and Tina each believe that their own group is composed of the better spellers.The girls' beliefs best illustrates

A) the just-world phenomenon.
B) an ingroup bias.
C) the fundamental attribution error.
D) an outgroup bias.