There have been several recent attempts to operationalize and measure empirically attitudinal support for Black nationalism. However, scholars have not yet reached a consensus as to what precisely constitutes Black nationalism and its manifestations. Our work addresses three critical questions. First, is Black nationalism a uni-dimensional or a multi-dimensional construct? Second, is Black nationalism another form of xenophobia? Third, is support for Black nationalism a function of time? Some scholars note that Black nationalism takes on the character of its material context and that it cannot be easily subsumed into a trans-historical ideology (Reed 2002; Robinson 2001). We indirectly test these hypotheses by examining the relationship between two components of Black nationalism—Black separatism and Pan-Africanism. To test these hypotheses, we analyze data from the 1979–1980 National Survey of Black …