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. Author manuscript; available in PMC: 2016 Jun 1.

Published in final edited form as: Psychometrika. 2014 Dec 6;81(2):483–505. doi: 10.1007/s11336-014-9432-y

Fig. 2 — (a) A poset dominance structure including three disjoint networks; (b) A hierarchical binary-tree representation of the ordered partition process. The “Cat.” and `”Cum.” labels are respectively used to indicate a categorical (nominal) or cumulative (GRM) item-response model related to a split.

Fig. 2 — (a) A poset dominance structure including three disjoint networks; (b) A hierarchical binary-tree representation of the ordered partition process. The “Cat.” and `”Cum.” labels are respectively used to indicate a categorical (nominal) or cumulative (GRM) item-response model related to a split.