'In the context of the social identity theory, people have emotional reaction to the failure or success of group members'.
According to the social identity theory, people's emotional responses to the success or failure of their group are a result of how closely related their self-worth is to the group's outcomes.
The British social psychologist Henri Tajfel and his colleagues conducted a series of experiments in the early 1970s that are usually referred to as minimal-group investigations that served as the foundation for social identity theory.
Three psychological processes are crucial in this regard, according to the theory: social categorization, social comparison, and social identity.
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