\begin{tabular}{lrrrr}
\toprule
Model & No skill & With skill & Task-paired delta & Positive tasks \\
\midrule
Claude Opus & 0.738 & 0.843 & 0.106 & 6/8 \\
Claude Sonnet & 0.592 & 0.817 & 0.226 & 8/8 \\
Task-balanced mean & -- & -- & 0.166 [0.085, 0.259] & 8/8 \\
\bottomrule
\end{tabular}
