Modeling Writing Development as Coordinated Change Across Linguistic and Semantic Dimensions

Michelle Banawan, Andrew Potter, Tracy Arner, Danielle S McNamara


Abstract
Writing development is often assessed through aggregate improvements in surface-level features, yet less attention has been given to how multiple linguistic dimensions evolve jointly over time. We model writing development as a multidimensional system shaped by stable individual variation and instructional progression across staged assignments, using interpretable linguistic features from the Writing Analytics Toolkit (WAT) and transformer-based sentence embeddings.Variance partitioning reveals substantial between-student stability alongside stage-dependent change. Mixed-effects models identify non-uniform developmental trajectories: academic focus, information density, and conventional language increase, whereas development of ideas and lexical variety decline, indicating tradeoffs across competing dimensions. Cross-lagged analyses further show dynamic dependencies between dimensions, suggesting coordinated change rather than independent progression.Embedding-based analyses capture stage-dependent shifts in semantic representation, with larger changes in earlier stages and increasing stability over time. Although assignment structure contributes to observed variation, stable individual differences and cross-stage dependencies indicate underlying developmental processes that generalize across tasks.Together, these findings characterize writing development as structured change in a multidimensional representational system, highlighting the need for computational models that capture stable variation, non-monotonic trajectories, and interactions among linguistic components.
Anthology ID:
2026.cdl-1.14
Volume:
Proceedings of the 1st Workshop on Computational Developmental Linguistics (CDL)
Month:
July
Year:
2026
Address:
Grand Hyatt Manchester San Diego, 1 Market Pl, San Diego, CA 92101
Editors:
Martin Ziqiao Ma, Emmy Liu, Jing Liu, Tyler A. Chang, Abdellah Fourtassi, Alex Warstadt, Michael Hahn, Weiwei Sun, Freda Shi
Venues:
CDL | WS
SIG:
Publisher:
Association for Computational Linguistics
Note:
Pages:
83–91
Language:
URL:
https://preview.aclanthology.org/ingest-acl-workshops/2026.cdl-1.14/
DOI:
Bibkey:
Cite (ACL):
Michelle Banawan, Andrew Potter, Tracy Arner, and Danielle S McNamara. 2026. Modeling Writing Development as Coordinated Change Across Linguistic and Semantic Dimensions. In Proceedings of the 1st Workshop on Computational Developmental Linguistics (CDL), pages 83–91, Grand Hyatt Manchester San Diego, 1 Market Pl, San Diego, CA 92101. Association for Computational Linguistics.
Cite (Informal):
Modeling Writing Development as Coordinated Change Across Linguistic and Semantic Dimensions (Banawan et al., CDL 2026)
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PDF:
https://preview.aclanthology.org/ingest-acl-workshops/2026.cdl-1.14.pdf