TOEFL integrated practice 7 - please revise my writing, thanks :)

According to the reading passage, there are two major aspects of group behavior described by a research: deindividualization and polarization. The research shows that when there is a group of people working together, they tend to lose their self-control and are not able to behave rationally. Rather, they behave in a violent and aggressive way. This phenomenon is called deindividualization. Polarization, on the other hand, means is when a group of like-minded people gather are working together, they usually are like-minded and prone to make an extreme decision in contrast to when they are alone. Whereas

The professor in the lecture points out that there are not always anti-social activities are not always associated with the deindividualization and polarization. Contrary to the examples in the reading passage, the professor mentions the pro-social deindividualistic behaviors. For example, people like those who share similar emotional pain and can gather together to pour out thier emotions and help each other. pour out their severe emotional feelings Also, and those people who are overwhelmed by the joy and pleasure when an underdog they have been rooting for wins a game, come together to celebrate and share in the experience.  that they have been rooting for. Also, Not every polarization behavior of the polarization group is related to the anti-social activities, neither. The professor also gives two examples of this. The first example is when a group of people who are suffering from a bully raise up together to defeat the bully. living in a town together who are suffering from town bully raise to fight and The second example is when a workers in a company group together to deal with their sadistic boss.

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