False-Consensus effect
One of the shortcuts that people use when assessing other people is the false- consensus effect. This effect involves the tendency to overestimate how Similar other people are to us in terms of their opinions, behaviour, and personality This effect is very general As Brehm et al. (1999,p. 104) pointed out,"Regardless whether people are asked to predict how others feel about military Spending abortion, gun control, Campbell's Soup, certain types of music, or norms for appropriate behaviour, they exaggerate the percentages of others who behave Similarly Or Share their views."