Openness as a pedagogical affordance: free and open-weight large language models in the preparation of informatics teachers

Authors

DOI:

https://doi.org/10.55056/cte.1404

Keywords:

open-weight large language models, free software, informatics teacher education, pedagogical affordances, teacher agency, TPACK, data sovereignty, AI competency frameworks

Abstract

In most school subjects a large language model is something a class consumes; in the preparation of informatics teachers it is something the class must be able to open, inspect, adapt, and govern - the very competencies the discipline obliges its graduates to teach. This dual relation makes the openness of free and open-weight models not a cost-driven substitute for proprietary services but the decisive pedagogical affordance. This conceptual, framework-building paper develops that claim from a structured review of a 202-record Web of Science pool, extended by targeted, DOI-verified supplementation. It re-conceptualizes openness as a vector of six affordances: four descend directly from the software freedoms to run, study, modify, and share - inspectability, adaptability, deployability with data sovereignty, and shareability with licensing - and two are reconstructions demanded by a stochastic, versioned artifact: reproducibility and governability. These affordances are arrayed against four enacted teacher roles - designer, facilitator, monitor, and evaluator - as a claim-graded openness-agency matrix whose every cell is marked as empirically evidenced, transferred from adjacent evidence, or argued as a proposition. Four deployment tiers, T0 through T3, locate where each affordance becomes actualizable; the decisive threshold is the T0-to-T1 transition, where a hosted endpoint gives way to a locally run model and three constrained affordances switch on together. A four-axis governance scaffold - configuration, boundaries, logging, and adjudication - makes deployment documentable and doubles as student-authored coursework. Five falsifiable propositions frame the framework for empirical test. The organizing maxim follows: model selection in teacher education is a curriculum decision, not a procurement decision.

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2026-03-21

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The screening and coding log of the structured review is available from the author on reasonable request.

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Velychko, V.Y., 2026. Openness as a pedagogical affordance: free and open-weight large language models in the preparation of informatics teachers. CTE Workshop Proceedings [Online], 13, pp.319–342. Available from: https://doi.org/10.55056/cte.1404 [Accessed 18 August 2026].
Received 2026-02-03
Accepted 2026-03-18
Published 2026-03-21

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