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“Jeder hat seinen eigenen Geschmack”: Comparative Analysis of AI and Human Raters in German Proverb Oral Performance Assessment Sudarmaji; Iman Santoso; Aditya Rikfanto; Retna Endah Sri Mulyati
International Journal of Pedagogical Language, Literature, and Cultural Studies (i-Plural) Vol. 3 No. 3 (2026): International Journal of Pedagogical Language, Literature, and Cultural Studies
Publisher : Nexus Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63011/ip.v3i3.88

Abstract

This study aims to analyze scoring variations and test the statistical significance of differences between AI-based evaluation (Large Language Model) and human raters in assessing the oral performance of German proverbs. Using a quantitative, within-subjects design, the study involved 30 students who were evaluated on four parameters: grammar, pronunciation, fluency, and the use of proverbs. The results of a paired-samples t-test reveal highly significant differences (p < 0.001) across all assessment aspects. The AI consistently demonstrates a leniency bias, assigning higher absolute scores than human raters. The largest discrepancy is in the use of proverbs, with a mean difference of 3.73 points. These findings indicate that AI tends to operate at the level of structured linguistic surface features, yet remains limited in capturing cultural nuances, implicit meanings, and pragmatic contextual appropriateness. These are areas that constitute the core strength of human cognitive sensitivity. This study recommends implementing a hybrid app using language to evaluate, in which AI assesses structural-mechanistic aspects, while interpretive sociolinguistic dimensions remain under human raters' control.