Value Portrait: Assessing Language Models' Values through Psychometrically and Ecologically Valid Items. - Jongwook Han; Dongmin Choi; Woojung Song; Eun-Ju Lee; Yohan Jo (ACL (1), 2025)

Value Portrait: Understanding Values of LLMs with Human-aligned Benchmark. - Jongwook Han; Dongmin Choi; Woojung Song; Eun-Ju Lee; Yohan Jo (CoRR, 2025)

Psychometric Item Validation Using Virtual Respondents with Trait-Response Mediators. - Sungjib Lim; Woojung Song; Eun-Ju Lee; Yohan Jo (CoRR, 2025)