Match each case with the corresponding concept(s) in social psychology.

Sarah is a new student in her class. She notices that her classmates all wear similar clothing and talk about similar interests. She begins to feel uncomfortable and out of place. One day, she decides to wear clothes similar to her classmates and talk about similar interests to fit in. She feels more accepted but also realizes that she is no longer expressing her true self and is bothered by it.

Jason, a quiet and introverted student, accidentally bumps into Mike, a popular and charismatic leader of a group of friends. Mike, already agitated from an earlier disagreement with his girlfriend, reacts aggressively, shoving Jason and inciting tension. With Mike's friends joining in, the situation quickly escalates into a chaotic brawl, as usually non-violent students unleash their pent-up frustration and aggression on Jason, resulting in a flurry of punches and overturned chairs.

John is a member of a fraternity. His fraternity brothers all decide to go to a party, but John doesn't feel like partying. Even though he doesn't want to go, he still decides to go to the party with his friends. Once at the party, he finds that he is enjoying himself more than he expected to.

Maria is a college student who just received her exam results. She scored higher than the class average and feels good about her performance. However, when she sees that her friend, who she always thought was less intelligent than her, scored even higher than she did, Maria begins to feel bad about her performance.

A group of coworkers are discussing their political views. Each person in the group has a slightly different opinion, but as they continue to talk, their opinions continually become more aligned and extreme.

David is a vegetarian, but one day he decides to eat a hamburger. He enjoys the taste of the burger but feels guilty afterward because he violated his values.

Tom is a basketball player on a team. After a game, his team loses, and Tom feels like he didn't perform well. However, when he talks to his coach, his coach tells him that the team lost because of the referees' bad calls, and not because of his performance.

A group of friends are planning a trip to a foreign country. One friend suggests trying out local cuisine and immersing themselves in the culture, but another friend expresses hesitation and says that they would rather stick to what they know and eat at familiar chain restaurants because foreign food is gross. The rest of the group agrees with the friend's suggestion without questioning it. The group ultimately decides to go with the chain restaurants, assuming that the local cuisine won't be as good as what they're used to at home.

Chris is a police officer. His commanding officer tells him to arrest a person for a crime that Chris believes the person didn't commit. Even though Chris knows that the person is innocent, he still arrests them because he feels obligated to follow his commanding officer's orders.

Samantha is at a music festival where she sees people wearing masks and costumes. She decides to put on a mask as well and notices that when she wears it, she feels more anonymous and less inhibited. She begins to behave in ways that she normally wouldn't, such as dancing wildly and drinking more than she normally would. She realizes that the anonymity provided by the mask has led to her behavior.

Carla is walking home late at night when she hears someone yelling for help. She sees a man being attacked by a group of people. Carla freezes, unsure of what to do. She notices that there are other people around who also seem to be watching the attack but doing nothing to help. She also realizes that the presence of other people around her is leading to a diffusion of responsibility, making her feel less obligated to intervene.

A teacher believes that a student is not very intelligent and tells the student that they are not going to do well on an upcoming test. The student internalizes this belief and becomes anxious, leading to poor performance on the test. The poor performance on the test then confirms the teacher's belief that the student is not intelligent.

Imagine a group project in a college course where each student is assigned a specific task to complete. If one of the students believes that their contribution is not essential and their grade will not be affected by their performance, they may not put in as much effort as they would if they were working on the task alone.

use each one once

A. Groupthink
B. Bystander Effect
C. Social comparison theory
D. Fundamental attribution error
E. Cognitive dissonance
F. Social Loafing
G. Social identity theory
H. Ethnocentrism
J. Deindividuation
K. Stereotype
L. Group polarization
M. In-group bias
N. Conformity
O. Obedience
P. Self Fulfilling Prophecy
Q. Self-serving bias

1. Social comparison theory

2. Deindividuation
3. Conformity
4. Self-serving bias
5. Group polarization
6. Cognitive dissonance
7. Fundamental attribution error
8. Bystander Effect