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From prediction to precision: leveraging LLMs for equitable and data-driven writing placement in developmental education

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Resumo:Accurate text classification and placement remain challenges in U.S. higher education, with traditional automated systems like Accuplacer functioning as “black-box” models with limited assessment transparency. This study evaluates Large Language Models (LLMs) as complementary placement tools by comparing their classification performance against a human-rated gold standard and Accuplacer. A 450-essay corpus was classified using Claude, Gemini, GPT-3.5-turbo, and GPT-4o across four prompting strategies: Zero-shot, Few-shot, Enhanced, and Enhanced+ (definitions with examples). Two classification approaches were tested: (i) a 1-step, 3 class classification task, distinguishing DevEd Level 1, DevEd Level 2, and College-level texts in one single run; and (ii) a 2-step classification task, first separating College vs. Non-College texts before further classifying Non-College texts into DevEd sublevels. The results show that structured prompt refinement improves the precision of LLMs’ classification, with Claude Enhanced + achieving 62.22% precision (1 step) and Gemini Enhanced + reaching 69.33% (2 step), both surpassing Accuplacer (58.22%). Gemini and Claude also demonstrated strong correlation with human ratings, with Claude achieving the highest Pearson scores (ρ = 0.75; 1-step, ρ = 0.73; 2-step) vs. Accuplacer (ρ = 0.67). While LLMs show promise for DevEd placement, their precision remains a work in progress, highlighting the need for further refinement and safeguards to ensure ethical and equitable placement.
Autores principais:Da Corte, Miguel
Outros Autores:Baptista, Jorge
Assunto:Large language models (LLMs) Developmental education (DevEd) Writing assessment Text classification English writing proficiency
Ano:2025
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso aberto
Instituição associada:Universidade do Algarve
Idioma:inglês
Origem:Sapientia - Universidade do Algarve
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author Da Corte, Miguel
author2 Baptista, Jorge
author2_role author
author_facet Da Corte, Miguel
Baptista, Jorge
author_role author
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datacite.contributors.contributor.contributorName.fl_str_mv Sapientia
datacite.creators.creator.creatorName.fl_str_mv Da Corte, Miguel
Baptista, Jorge
datacite.date.Accepted.fl_str_mv 2025-01-01T00:00:00Z
datacite.date.available.fl_str_mv 2026-04-09T09:40:00Z
datacite.date.embargoed.fl_str_mv 2026-04-09T09:40:00Z
datacite.rights.fl_str_mv http://purl.org/coar/access_right/c_abf2
datacite.subjects.subject.fl_str_mv Large language models (LLMs)
Developmental education (DevEd)
Writing assessment
Text classification
English writing proficiency
datacite.titles.title.fl_str_mv From prediction to precision: leveraging LLMs for equitable and data-driven writing placement in developmental education
dc.contributor.none.fl_str_mv Sapientia
dc.creator.none.fl_str_mv Da Corte, Miguel
Baptista, Jorge
dc.date.Accepted.fl_str_mv 2025-01-01T00:00:00Z
dc.date.available.fl_str_mv 2026-04-09T09:40:00Z
dc.date.embargoed.fl_str_mv 2026-04-09T09:40:00Z
dc.format.none.fl_str_mv application/pdf
dc.identifier.none.fl_str_mv http://hdl.handle.net/10400.1/28621
dc.language.none.fl_str_mv eng
dc.publisher.none.fl_str_mv Schloss Dagstuhl – Leibniz-Zentrum für Informatik
dc.rights.cclincense.fl_str_mv http://creativecommons.org/licenses/by/4.0/
dc.rights.none.fl_str_mv http://purl.org/coar/access_right/c_abf2
dc.subject.none.fl_str_mv Large language models (LLMs)
Developmental education (DevEd)
Writing assessment
Text classification
English writing proficiency
dc.title.fl_str_mv From prediction to precision: leveraging LLMs for equitable and data-driven writing placement in developmental education
dc.type.none.fl_str_mv http://purl.org/coar/resource_type/c_6501
description Accurate text classification and placement remain challenges in U.S. higher education, with traditional automated systems like Accuplacer functioning as “black-box” models with limited assessment transparency. This study evaluates Large Language Models (LLMs) as complementary placement tools by comparing their classification performance against a human-rated gold standard and Accuplacer. A 450-essay corpus was classified using Claude, Gemini, GPT-3.5-turbo, and GPT-4o across four prompting strategies: Zero-shot, Few-shot, Enhanced, and Enhanced+ (definitions with examples). Two classification approaches were tested: (i) a 1-step, 3 class classification task, distinguishing DevEd Level 1, DevEd Level 2, and College-level texts in one single run; and (ii) a 2-step classification task, first separating College vs. Non-College texts before further classifying Non-College texts into DevEd sublevels. The results show that structured prompt refinement improves the precision of LLMs’ classification, with Claude Enhanced + achieving 62.22% precision (1 step) and Gemini Enhanced + reaching 69.33% (2 step), both surpassing Accuplacer (58.22%). Gemini and Claude also demonstrated strong correlation with human ratings, with Claude achieving the highest Pearson scores (ρ = 0.75; 1-step, ρ = 0.73; 2-step) vs. Accuplacer (ρ = 0.67). While LLMs show promise for DevEd placement, their precision remains a work in progress, highlighting the need for further refinement and safeguards to ensure ethical and equitable placement.
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person_str_mv Da Corte, Miguel
Da Corte, Miguel
http://orcid.org/0000-0001-8782-8377
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Baptista, Jorge
Baptista, Jorge
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spelling engSchloss Dagstuhl – Leibniz-Zentrum für InformatikengAccurate text classification and placement remain challenges in U.S. higher education, with traditional automated systems like Accuplacer functioning as “black-box” models with limited assessment transparency. This study evaluates Large Language Models (LLMs) as complementary placement tools by comparing their classification performance against a human-rated gold standard and Accuplacer. A 450-essay corpus was classified using Claude, Gemini, GPT-3.5-turbo, and GPT-4o across four prompting strategies: Zero-shot, Few-shot, Enhanced, and Enhanced+ (definitions with examples). Two classification approaches were tested: (i) a 1-step, 3 class classification task, distinguishing DevEd Level 1, DevEd Level 2, and College-level texts in one single run; and (ii) a 2-step classification task, first separating College vs. Non-College texts before further classifying Non-College texts into DevEd sublevels. The results show that structured prompt refinement improves the precision of LLMs’ classification, with Claude Enhanced + achieving 62.22% precision (1 step) and Gemini Enhanced + reaching 69.33% (2 step), both surpassing Accuplacer (58.22%). Gemini and Claude also demonstrated strong correlation with human ratings, with Claude achieving the highest Pearson scores (ρ = 0.75; 1-step, ρ = 0.73; 2-step) vs. Accuplacer (ρ = 0.67). While LLMs show promise for DevEd placement, their precision remains a work in progress, highlighting the need for further refinement and safeguards to ensure ethical and equitable placement.application/pdfengFrom prediction to precision: leveraging LLMs for equitable and data-driven writing placement in developmental educationPersonalDa Corte, MiguelDSpacehttp://dspace.org/items/4a524eae-b359-47fa-8978-028ac5ffb57eDSpacehttp://dspace.org/items/4a524eae-b359-47fa-8978-028ac5ffb57eDa CorteMiguelORCIDhttp://orcid.org0000-0001-8782-8377PersonalBaptista, JorgeDSpacehttp://dspace.org/items/e817fa28-a005-40e2-9ba4-03fdaedd7df3DSpacehttp://dspace.org/items/e817fa28-a005-40e2-9ba4-03fdaedd7df3BaptistaJorgeCiência IDhttps://www.ciencia-id.pt7010-5366-22C5ORCIDhttp://orcid.org0000-0003-4603-4364Researcher IDhttps://www.researcherid.comH-7699-2013Scopus Author IDhttps://www.scopus.com14035269500HostingInstitutionOrganizationalSapientiae-mailmailto:repositorio@ualg.ptrepositorio@ualg.ptDOIIsPartOf10.4230/OASIcs.SLATE.2025.12026-04-09T09:40:00Z20252025-01-01T00:00:00ZHandlehttp://hdl.handle.net/10400.1/28621http://purl.org/coar/access_right/c_abf2open accessLarge language models (LLMs)Developmental education (DevEd)Writing assessmentText classificationEnglish writing proficiency693557 bytesFundação para a Ciência e a TecnologiaInstituto de Engenharia de Sistemas e Computadores, Investigação e Desenvolvimento em Lisboainfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50021%2F2020/PTUIDB/50021/20206817 - DCRRNI IDCrossref Funder IDhttp://doi.org/10.13039/501100001871literaturehttp://purl.org/coar/resource_type/c_6501journal article2025http://creativecommons.org/licenses/by/4.0/http://purl.org/coar/access_right/c_abf2application/pdffulltexthttps://sapientia.ualg.pt/bitstreams/875e67f9-aeb6-4a65-a895-586d86f84053/download14th Symposium on Languages, Applications and Technologies (SLATE 2025)118
spellingShingle From prediction to precision: leveraging LLMs for equitable and data-driven writing placement in developmental education
Da Corte, Miguel
Large language models (LLMs)
Developmental education (DevEd)
Writing assessment
Text classification
English writing proficiency
status SINGLETON
subject.fl_str_mv Large language models (LLMs)
Developmental education (DevEd)
Writing assessment
Text classification
English writing proficiency
title From prediction to precision: leveraging LLMs for equitable and data-driven writing placement in developmental education
title_full From prediction to precision: leveraging LLMs for equitable and data-driven writing placement in developmental education
title_fullStr From prediction to precision: leveraging LLMs for equitable and data-driven writing placement in developmental education
title_full_unstemmed From prediction to precision: leveraging LLMs for equitable and data-driven writing placement in developmental education
title_short From prediction to precision: leveraging LLMs for equitable and data-driven writing placement in developmental education
title_sort From prediction to precision: leveraging LLMs for equitable and data-driven writing placement in developmental education
topic Large language models (LLMs)
Developmental education (DevEd)
Writing assessment
Text classification
English writing proficiency
topic_facet Large language models (LLMs)
Developmental education (DevEd)
Writing assessment
Text classification
English writing proficiency
url http://hdl.handle.net/10400.1/28621
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