DEJAN open-sources full data behind its Gemini expert-name experiment: 225 blind-rated answers

dejanseo · x · 2026-11-12

DEJAN released an interactive dashboard and full dataset for its experiment showing Gemini scores higher when the user is named as a recognized expert. 15 topics × 15 asks (expert name / random name / no name), all 225 answers blind-scored 1-10 by a separate Claude session.

The dashboard ranks experts by score boost and shows per-topic blind scores and thinking token counts. The download includes answers.csv (all answers with thinking summaries and rater reasons), tasks.csv, a SQLite database, and reproduction scripts — fully transparent methodology.

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