Yudhy Setyo Purwanto
Diponegoro University

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ACTE: A Pilot Feasibility Evaluation of a Mastery-Aware Task Recommender for Mobile Language Learning in Real-World Contexts Yudhy Setyo Purwanto; Rahmat Gernowo; Dinar Mutiara Kusumo Nugraheni
Journal of Information System and Informatics Vol 8 No 2 (2026): April
Publisher : Asosiasi Doktor Sistem Informasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63158/journalisi.v8i2.1554

Abstract

Mobile-assisted language learning (MALL) apps often present generic activities that ignore the semantic meaning of real-world places and provide limited skill-specific, mastery-based progression. This pilot feasibility study introduces the Adaptive Contextual Task Engine (ACTE), a lightweight on-device recommender that personalizes tasks using location semantics, CEFR-aligned modules, mastery status, and performance timing. ACTE was evaluated with 10 university students aged 18–23 in a simulated café environment to balance ecological validity and experimental control. Participants completed three A2 speaking tasks, the System Usability Scale (SUS), and a five-item relevance questionnaire. Results showed a mean SUS score of 72.0, exceeding the benchmark of 68. Participants rated task appropriateness for the café at 4.3/5 and real-life usability at 4.7/5, while 90% agreed that the tasks reflected authentic language use. Qualitative feedback confirmed contextual authenticity but indicated the need for clearer scoring explanations. These findings suggest that ACTE offers a practical, privacy-conscious, and replicable framework for situated MALL by linking semantic place affordances with mastery-based progression in controlled real-world simulations.