Someone with an authoritarian personality is thought to be hostile towards their out group as they are seen as inferior, a correlation is seen between levels of this and behaviour like obedience
Study by Cohrs found that personality scores associated with RWA correlated with level of prejudice, this may chance in an individual however as Louis found social factors and individual difference have an affectn
Baldwin claims cultures are ethnocentric and competition leads to intolerance and prejudice, Orpen found identifying with your in groups was the biggest cause of prejudice