Many people consider the phenomenon of negative stereotypes and socially unacceptable. But you can look at the stereotypes and in another way: for example, use them to predict someone's opinion and behavior. The information obtained by observing other people's stereotypes is much more accurate than you can imagine.
According to scientists, the accuracy of stereotypes can vary from 0, 4 to 0, 9. As such, these figures reflect the correlation between attitudes and accuracy of information obtained through them.
Many psychologists believe this technique inaccurate, but, according to statistics, the average correlation psychologist forecasts and projections of stereotypes is about 0, 20 - this means that based on stereotypes predicting much more accurate than those that do, most psychologists.