Making Evidence Actionable in Adaptive Learning Closing the Diagnostic Pedagogical Loop
Marc Steiner
Adaptive learning often diagnoses precisely yet intervenes weakly, producing help that is mistimed or misaligned. This study presents evidence supporting an ins...
Reporting by Amirreza Mehrabi, SwissFinanceAI Redaktion
Abstract
Adaptive learning often diagnoses precisely yet intervenes weakly, producing help that is mistimed or misaligned. This study presents evidence supporting an instructor-governed feedback loop that converts concept-level assessment evidence into vetted microinterventions. The adaptive learning algorithm includes three safeguards: adequacy as a hard guarantee of gap closure, attention as a budgeted limit for time and redundancy, and diversity as protection against overfitting to a single resource. We formulate intervention assignment as a binary integer program with constraints for coverage, time, difficulty windows derived from ability estimates, prerequisites encoded by a concept matrix, and anti-redundancy with diversity. Greedy selection serves low-richness and tight-latency settings, gradient-based relaxation serves rich repositories, and a hybrid switches along a richness-latency frontier. In simulation and in an introductory physics deployment with 1204 students, both solvers achieved full skill coverage for nearly all learners within bounded watch time. The gradient-based method reduced redundant coverage by about 12 percentage points relative to greedy and produced more consistent difficulty alignment, while greedy delivered comparable adequacy at lower computational cost in resource-scarce environments. Slack variables localized missing content and guided targeted curation, sustaining sufficiency across student subgroups. The result is a tractable and auditable controller that closes the diagnostic pedagogical loop and enables equitable, load-aware personalization at the classroom scale.
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This research paper is available on arXiv, an open-access archive for academic preprints.
Citation
Amirreza Mehrabi. "Making Evidence Actionable in Adaptive Learning Closing the Diagnostic Pedagogical Loop." arXiv preprint. 2025-11-17. http://arxiv.org/abs/2511.13542v1
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References
- [1]ResearchCredibility: 9/10Amirreza Mehrabi. "Making Evidence Actionable in Adaptive Learning Closing the Diagnostic Pedagogical Loop." arXiv.org. November 17, 2025. Accessed November 18, 2025.
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Original Source
This article is based on Making Evidence Actionable in Adaptive Learning Closing the Diagnostic Pedagogical Loop (arXiv.org)
