AI & LLM Evals / Quiz

The Judge's Hidden Biases

Your LLM judge prefers longer answers, agrees with whoever asked, and rates by format. If you don't correct for it, you're scoring its prejudices.

Difficulty
Hard
Format
Quiz
Points
200
Estimate
11 min

// MISSION BRIEF

Your Mission

Beyond position and self-preference, LLM judges carry subtler biases: verbosity, sycophancy, and format preference. This quiz covers the biases that quietly corrupt judge scores and how to counter them.

Scoring: heavier timer, equal weight per question.

// FIRST CONTACT

Battle teaser

A judge consistently rates longer answers higher, even when a short answer is equally correct. This is:

  1. AVerbosity/length bias, mitigate by controlling for length or instructing the rubric to ignore it
  2. BA parse error
  3. CPosition bias
  4. DCorrect; longer is better
Answers, scoring, hints, and the full battle stay sealed.

// SKILL TAGS

ai-evalsllm-as-judgebiassycophancyverbosity-bias