Hey thanks, that's definitely helpful. I wanted to read the Cazenave paper (paywall), but 'centrality' led me to a Google Book [1] which briefly explains MMRI (salience, centrality, regard, ideology). Understanding the differences between these basically answers my question.

1: Culture, Motivation, and Learning: A Multicultural Perspective edited by Farideh Salili, Rumjahn Hoosain, p. 327-328