Aaron Mueller

The Curse of Multiple Mediators: Hidden Interaction Effects in Activation Patching

Sankaran Vaidyanathan, David Arbour, Aaron Mueller, Scott Niekum, David Jensen

Activation patching is the primary tool in mechanistic interpretability. It attributes causal responsibility for a model behavior to each of its individual components by estimating its natural indirect effect (NIE). Re-deriving the activation patching estimand from causal mediati…Read more