Answer:
The correct answer is: Social cognition.
Step-by-step explanation:
Social cognition is a complex study and a part of psychology that deals with how individuals process information about other people in social situations.
It studies the role of cognitive processes involved in situations involving two or more people.
A person with an understanding of social cognition can understand the intentions and motivations of other's behavior in social situations without falling into biases, suspicious behavior, and paranoia.
In this particular case, Kari commits an error in social cognition because she is convinced that her classmate bumped her intending to pick on her or make fun of her while in reality, it may have been an accident.
In conclusion, the correct answer is: Social cognition.