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Activemetrics · evaluation
Measuring progress across reasoning episodes
Define and validate metrics that distinguish useful intermediate reasoning from repeated or unproductive computation.
Updated
Initial metric sanity check
Research teamSetup
We compared two candidate signals on a small set of reasoning traces. The goal was to check whether each metric rises when an episode adds useful information.
| Signal | Monotonicity | Main failure mode |
|---|---|---|
| Prefix-conditioned score | 0.78 | Answer leakage |
| Token-normalized reward | 0.51 | Penalizes necessary exploration |
The current numbers are illustrative test content, not publishable experimental results.
Debug note: preprocessing mismatch
Two traces used a different stop-token convention. They were removed from this first comparison and should be regenerated.
Next action
Add a shuffled-prefix control and rerun the analysis on at least 200 traces.