Final answer:
The common affiliation of cultural critics at the Center is marginalized artists of color and women artists.
Step-by-step explanation:
The common affiliation of cultural critics at the Center, according to the statement, is marginalized artists of color and women artists. The statement mentions that artists of color and women artists have historically been marginalized in the discipline of art history, which is seen as a center-periphery model with Western art at the center and art from everywhere else at the margins. This marginalization is considered a larger problem in the discipline and calls for a change in the way art history is approached.