A third theory of prejudice takes a different tack.

第三种偏见理论采取了不同的策略。

One theory of prejudice is known as scapegoat theory, also known as frustration-aggression theory.

一种偏见理论被称为替罪羊理论，也被称为挫折攻击理论。

And the final theory of prejudice is one we’ve talked about before: conflict theory.

最后一种偏见理论是我们之前讨论过的：冲突理论。