The overkill backfire effect is a cognitive bias that causes people to reject arguments that they think are too complex, in favor of arguments that are easy for them to understand. Often, this means that past a certain point, presenting additional evidence in support of your argument can actually make people less likely to accept it.

In the following article, you will learn why people are susceptible to this effect, and how you can reduce the risk of them being influenced by it when you present an argument.