Teresa has joined the campus Amnesty International group, and after having group discussions about human rights violations, she now feels even more passionate about human rights. Social psychologists would explain the change in Teresa's opinions as a result of:

GROUP POLARIZATION.

Explanation: Group polarization can be defined as a phenomenon when members of a deliberating group move toward a more extreme point than the initial inclination of its members.

Teresa joining Amnesty international group is indicative that she is passionate about human rights violation, the group discussion on human rights violation making her feel even more passionate(extreme) is what group polarization is all about.

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