The third-person effect is a phenomenon in which people have a tendency to believe that the media has a greater influence on others than on themselves. This can happen when people see themselves as being more resistant to the influence of the media than others, and may lead them to underestimate the impact of the media on their own beliefs and behaviors. For example, if you are exposed to a political advertisement, you may believe that the advertisement will have a greater influence on other people than on you, even though it may be influencing your own beliefs and attitudes. The third-person effect can lead to errors in judgment and decision-making, as it can cause people to underestimate the impact of the media on their own beliefs and behaviors, and to be less critical of the information they are presented with. To avoid the third-person effect, it is important to be aware of our own biases and to carefully evaluate the information we are presented with, rather than assuming that it has a greater impact on others than on ourselves.