Neural Networks or Linguistic Features? -- Comparing Different Machine-Learning Approaches for Automated Assessment of Text Quality Traits among L1- and L2-Learners' Argumentative Essays

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Title: Neural Networks or Linguistic Features? -- Comparing Different Machine-Learning Approaches for Automated Assessment of Text Quality Traits among L1- and L2-Learners' Argumentative Essays
Language: English
Authors: Julian F. Lohmann (ORCID 0000-0002-5864-9692), Fynn Junge (ORCID 0009-0009-4834-8325), Jens Möller (ORCID 0000-0003-1767-5859), Johanna Fleckenstein (ORCID 0000-0003-4488-1455), Ruth Trüb (ORCID 0000-0002-9915-8611), Stefan Keller (ORCID 0000-0003-0115-5314), Thorben Jansen (ORCID 0000-0001-9714-6505), Andrea Horbach (ORCID 0009-0004-3680-3304)
Source: International Journal of Artificial Intelligence in Education. 2025 35(3):1178-1217.
Availability: Springer. Available from: Springer Nature. One New York Plaza, Suite 4600, New York, NY 10004. Tel: 800-777-4643; Tel: 212-460-1500; Fax: 212-460-1700; e-mail: customerservice@springernature.com; Web site: https://link.springer.com/
Peer Reviewed: Y
Page Count: 40
Publication Date: 2025
Document Type: Journal Articles
Reports - Research
Descriptors: Artificial Intelligence, Natural Language Processing, Essays, Writing Evaluation, Native Speakers, English Learners, Second Language Learning, Distinctive Features (Language)
DOI: 10.1007/s40593-024-00426-w
ISSN: 1560-4292
1560-4306
Abstract: Recent investigations in automated essay scoring research imply that hybrid models, which combine feature engineering and the powerful tools of deep neural networks (DNNs), reach state-of-the-art performance. However, most of these findings are from holistic scoring tasks. In the present study, we use a total of four prompts from two different corpora consisting of both L1 and L2 learner essays annotated with trait scores (e.g., content, organization, and language quality). In our main experiments, we compare three variants of trait-specific models using different inputs: (1) models based on 220 linguistic features, (2) models using essay-level contextual embeddings from the distilled version of the pre-trained transformer BERT (DistilBERT), and (3) a hybrid model using both types of features. Results imply that when trait-specific models are trained based on a single resource, the feature-based models slightly outperform the embedding-based models. These differences are most prominent for the organization traits. The hybrid models outperform the single-resource models, indicating that linguistic features and embeddings indeed capture partially different aspects relevant for the assessment of essay traits. To gain more insights into the interplay between both feature types, we run addition and ablation tests for individual feature groups. Trait-specific addition tests across prompts indicate that the embedding-based models can most consistently be enhanced in content assessment when combined with morphological complexity features. Most consistent performance gains in the organization traits are achieved when embeddings are combined with length features, and most consistent performance gains in the assessment of the language traits when combined with lexical complexity, error, and occurrence features. Cross-prompt scoring again reveals slight advantages for the feature-based models.
Abstractor: As Provided
Entry Date: 2025
Accession Number: EJ1488317
Database: ERIC
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  Data: <searchLink fieldCode="AR" term="%22Julian+F%2E+Lohmann%22">Julian F. Lohmann</searchLink> (ORCID <externalLink term="http://orcid.org/0000-0002-5864-9692">0000-0002-5864-9692</externalLink>)<br /><searchLink fieldCode="AR" term="%22Fynn+Junge%22">Fynn Junge</searchLink> (ORCID <externalLink term="http://orcid.org/0009-0009-4834-8325">0009-0009-4834-8325</externalLink>)<br /><searchLink fieldCode="AR" term="%22Jens+Möller%22">Jens Möller</searchLink> (ORCID <externalLink term="http://orcid.org/0000-0003-1767-5859">0000-0003-1767-5859</externalLink>)<br /><searchLink fieldCode="AR" term="%22Johanna+Fleckenstein%22">Johanna Fleckenstein</searchLink> (ORCID <externalLink term="http://orcid.org/0000-0003-4488-1455">0000-0003-4488-1455</externalLink>)<br /><searchLink fieldCode="AR" term="%22Ruth+Trüb%22">Ruth Trüb</searchLink> (ORCID <externalLink term="http://orcid.org/0000-0002-9915-8611">0000-0002-9915-8611</externalLink>)<br /><searchLink fieldCode="AR" term="%22Stefan+Keller%22">Stefan Keller</searchLink> (ORCID <externalLink term="http://orcid.org/0000-0003-0115-5314">0000-0003-0115-5314</externalLink>)<br /><searchLink fieldCode="AR" term="%22Thorben+Jansen%22">Thorben Jansen</searchLink> (ORCID <externalLink term="http://orcid.org/0000-0001-9714-6505">0000-0001-9714-6505</externalLink>)<br /><searchLink fieldCode="AR" term="%22Andrea+Horbach%22">Andrea Horbach</searchLink> (ORCID <externalLink term="http://orcid.org/0009-0004-3680-3304">0009-0004-3680-3304</externalLink>)
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  Data: Springer. Available from: Springer Nature. One New York Plaza, Suite 4600, New York, NY 10004. Tel: 800-777-4643; Tel: 212-460-1500; Fax: 212-460-1700; e-mail: customerservice@springernature.com; Web site: https://link.springer.com/
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  Data: Recent investigations in automated essay scoring research imply that hybrid models, which combine feature engineering and the powerful tools of deep neural networks (DNNs), reach state-of-the-art performance. However, most of these findings are from holistic scoring tasks. In the present study, we use a total of four prompts from two different corpora consisting of both L1 and L2 learner essays annotated with trait scores (e.g., content, organization, and language quality). In our main experiments, we compare three variants of trait-specific models using different inputs: (1) models based on 220 linguistic features, (2) models using essay-level contextual embeddings from the distilled version of the pre-trained transformer BERT (DistilBERT), and (3) a hybrid model using both types of features. Results imply that when trait-specific models are trained based on a single resource, the feature-based models slightly outperform the embedding-based models. These differences are most prominent for the organization traits. The hybrid models outperform the single-resource models, indicating that linguistic features and embeddings indeed capture partially different aspects relevant for the assessment of essay traits. To gain more insights into the interplay between both feature types, we run addition and ablation tests for individual feature groups. Trait-specific addition tests across prompts indicate that the embedding-based models can most consistently be enhanced in content assessment when combined with morphological complexity features. Most consistent performance gains in the organization traits are achieved when embeddings are combined with length features, and most consistent performance gains in the assessment of the language traits when combined with lexical complexity, error, and occurrence features. Cross-prompt scoring again reveals slight advantages for the feature-based models.
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