Jonathan,who attends Cloverdale High School,believes that all students at his school are friendlier than those who attend nearby Smith Valley High School.His belief best illustrates

A) scapegoat theory.
B) the just-world phenomenon.
C) social scripts.
D) ingroup bias.

Jonathan's belief that his fellow students at Cloverdale High School are friendlier than those at Smith Valley High School suggests ingroup bias, which refers to the tendency to favor and perceive our own group (in this case, students from Cloverdale) as superior to other groups (Smith Valley students).