Glossary
Ablation Study
An experiment that systematically removes or varies individual components of a system to understand each component's contribution to overall performance.
An ablation study asks “what happens if I remove just this one piece?” by systematically turning off or varying individual components while holding everything else constant. In behavioral work, this might mean comparing system prompts with and without a specific instruction to measure its actual effect, or testing a training dataset with and without a particular category of examples. Ablation studies reveal which parts of a complex system are actually doing work and which are redundant or irrelevant. For behavior architects, ablation is a useful discipline for avoiding prompt bloat and training data clutter: instead of accumulating more instructions or examples on the assumption they all help, ablation testing shows which ones genuinely move the needle.