1. The authoritarian personality;Adorno,1950
2. The nature of prejudice;Allport,1954
3. Intolerance of ambiguity as a personality variable;Budner;Journal of Personality,1962
4. The scree test for the number of factors;Catell;Multivariate Behavioral Research,1966
5. A social psychological investigation of racial prejudice among White South Africans;Duckitt,1990