Comprehensible Input, Affective Filter, and Communicative Environment: A Case Study of Krashen’s Five Hypotheses in an Indonesian Pesantren
Input Komprehensibel, Filter Afektif, dan Lingkungan Komunikatif: Studi Kasus atas Lima Hipotesis Krashen di Pesantren Indonesia
Abstract
Purpose - A persistent gap exists between formal grammar instruction and communicative competence in Arabic language acquisition in Indonesian Islamic residential schools (pesantren). Institutions that deliberately construct Arabic language environments demonstrate more effective outcomes, yet the mechanisms through which such environments produce acquisition results remain underexamined using Krashen’s complete monitor model. This study investigates how the Arabic language environment at Pesantren Islam Al-Irsyad Batu operationalizes all five of Krashen’s second-language acquisition hypotheses, and what documented outcomes this produces.
Design/Methodology/Approach - A qualitative instrumental case study design was employed. Data were collected through non-participant observation across eight sessions per week over five months (July–November 2025), semi-structured interviews with five purposively selected informants (three teachers/program administrators, two students), and institutional document analysis. Data analysis followed the interactive model of Miles, Huberman, and Saldaña (2014); trustworthiness was established through source triangulation, method triangulation, and member checking.
Findings - Three integrated mechanisms characterize the acquisition-supportive design of the environment: (1) graduated comprehensible input calibrated to the i+1 threshold across formal and informal contexts; (2) delayed post-production error correction that sustains low affective filter conditions during speaking; and (3) structured informal communicative programmes extending Arabic use into dormitories, mosques and social spaces. Participants describe a progressive shift from monitored, rule-dependent production toward spontaneous communicative use. The main inhibiting factor is the inconsistency of the use of Arabic in unsupervised contexts, which the institution addresses through peer accountability structures.
Originality/Value - This study provides the first empirical account of operationalizing all five of Krashen’s Monitor Model hypotheses as explicit analytical categories within a single pesantren setting, mapping specific institutional design decisions to acquisition mechanisms. The findings offer a theoretically grounded model of acquisition-supportive environment design with direct implications for pesantren and comparable residential Islamic educational institutions’ Arabic language programs.
Paper type - Research paper
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References
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Copyright (c) 2026 Muhammad Fadhil Hadziq, Narul Hasyim Muzadi, Raed Awadh Saeed Algatnaini, Ahmad Rizky Rinaldo (Author)
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