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Argument Linking of Psych Verbs: A Comparative Study Between Uzbek Children and Large Language Models

A master's thesis research project from the University of Siena, which compares the similarities and differences in argument linking abilities between 4-5 year-old children and large language models (LLMs) through experiments on Uzbek psych verbs, exploring the boundaries between language acquisition and machine language understanding.

心理动词论元连接语言习得乌兹别克语儿童语言发展大型语言模型句法结构对比研究
Published 2026-06-01 17:43Recent activity 2026-06-01 17:53Estimated read 4 min
Argument Linking of Psych Verbs: A Comparative Study Between Uzbek Children and Large Language Models
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Section 01

Core Research Introduction

This study is a master's thesis project at the University of Siena, focusing on the argument linking ability of Uzbek psych verbs, comparing the performance of 4-5 year-old native-speaking children and large language models (LLMs) to explore the boundaries between human language acquisition mechanisms and machine language understanding. The research results are open-sourced on GitHub (author: Madina-Kh, release date: 2026-06-01).

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Section 02

Research Background and Linguistic Characteristics

The argument structure of psych verbs (e.g., "fear", "like") is cross-linguistically complex. As an agglutinative language in the Turkic family, Uzbek's case-marking system provides a unique perspective for argument linking research. This study innovatively compares child language acquisition (critical period: 4-5 years old) with LLM performance to explore their similarities and differences in complex syntactic understanding.

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Section 03

Experimental Design and Methodology

The experiment recruited monolingual 4-5 year-old children from Uzbekistan kindergartens (screened for language ability). Animated short films plus newly coined psych verbs were used as stimulus materials, and children were asked to describe scenes to test argument mapping. LLMs were evaluated via zero-shot/few-shot prompts using the same stimuli, and the analysis process was consistent with that of children's data.

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Section 04

Key Findings and Core Differences

Children showed the "experiencer-first" principle (tendency to map the experiencer as the subject, with strong rule generalization ability). Although LLMs can generate grammatically correct sentences, they rely on frequency patterns in training data, and their performance drops significantly under low-frequency argument configurations. The differences between the two reflect the essential distinction between human rule-based learning and machine data-driven learning.

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Section 05

Interdisciplinary Value and Future Directions

The study provides interdisciplinary references for linguistics (Turkic psych verb data), psychology (child syntactic development), and AI (LLM syntactic ability evaluation benchmarks). Future directions can expand to more languages, or delve into LLM performance on other syntactic phenomena, to build a more comprehensive machine language ability evaluation framework.

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Section 06

Open-Source Resources and Reproducibility

The project's GitHub repository contains de-identified child experiment data, R/Python analysis code, experimental animations/instructions, and LLM prompt templates, supporting other researchers to replicate, verify, and extend the study, embodying open science practices.