If these are the conditions for contact, to what extent are they met in the university setting between, say blacks and whites, people from the American South versus people from the American North, people from other countries versus people from the United States?

如果大学环境里有这些接触的条件，有多少是属于促成因素的？,例如在黑人和白人之间，来自美国南方的人,和来自美国北方的人之间，外国的学生,和美国的学生之间？

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