AnalysisDevelopersSeptember 7, 2026

Study: Simple test instructions don't improve agent code quality

Read original source →danluu.com

Dan Luu tested 26 prompt conditions (TDD, Lean 4, QuickCheck, etc.) on Zstd implementation in Rust, finding simple instructions to use test techniques or libraries did not improve correctness. Pre-registered prediction: TDD underperforms (55% confidence).

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