F4: Chain Length × Narrative Depth

Spearman rho=0.437 | Effect on Layer E by Layer D: with_D=2.14 vs without=1.59 (p=0.013) | Layer D is a high-cost, high-reward catalytic layer

Chain Length Distribution

Effect of Layer D on Layer E

Chain Length × Depth (Stacked)

Link Patterns in Deep Narratives