The False Consensus Effect is a cognitive bias in which individuals overestimate the degree to which others agree with their own opinions or beliefs. This effect occurs when people assume that their own beliefs, attitudes, and behaviors are more widely shared than they actually are. This can lead to a false sense
In psychology, the false consensus effect, also known as consensus bias, is a pervasive cognitive bias that causes people to overestimate the extent to which other people share their beliefs and views; it is the tendency to "see their own behavioral choices and judgments as relatively common and appropriate to existing circumstances". In other words, they assume that their personal qualities, characteristics, beliefs, and actions are relatively widespread through the general population.