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Dependency-Length Minimization and its Limits: A Possible Role for a Probabilistic Version of the Final-Over-Final Condition

Published online by Cambridge University Press:  01 January 2026

Yingqi Jing*
Affiliation:
University of Zurich and Uppsala University
Damián E. Blasi*
Affiliation:
Harvard University
Balthasar Bickel*
Affiliation:
University of Zurich

Abstract

A prominent principle in explaining a range of word-order regularities is dependency locality, which minimizes the linear distances (dependency lengths) between a head and its dependents. However, it remains unclear to what extent language users in fact observe locality when producing sentences under diverse conditions of cross-categorical harmony (such as the placement of verbal and nominal heads on the same vs. different sides of their dependents), dependency direction (head-final vs. head-initial), and parallel vs. hierarchical dependency structures (e.g. multiple adjectives dependent on the same head vs. nested genitive dependents). Using forty-five dependency-annotated corpora of diverse languages, we find that after controlling for harmony and conditioning on dependency types, dependency-length minimization (DLM) is inversely correlated with the overall presence of head-final dependencies. This anti-DLM effect in sentences with more head-final dependencies is specifically associated with an accumulation of dependents in parallel structures and with disharmonic orders in hierarchical structures. We propose a detailed interpretation of these results and tentatively suggest a role for a probabilistic principle that favors embedding head-initial (e.g. VO) structures inside equally head-initial and thereby length-minimizing structures (e.g. relative clauses after the head noun), while head-final (OV) structures have a less pronounced preference for harmony and DLM. This is in line with earlier findings in research on the Greenbergian word-order universals and with a probabilistic version of what has been suggested more recently as the FINAL-OVER-FINAL CONDITION.

Information

Type
Research Article
Copyright
Copyright © 2022 Printed with the permission of Yingqi Jing, Damián E. Blasi, & Balthasar Bickel. © 2022.

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