Ganzfeld experiments.
disputedresearch_programStargate / Remote Viewing
The best-studied psi (telepathy) paradigm: a receiver in mild sensory deprivation while a remote sender views a target; a judge ranks the target against decoys.
Chance hit rate 25%, reported ~32% (effect size ~0.14). The genuine scientific dispute lives here: a small persistent aggregate signal vs the pathological-science pattern of null high-rigor replications.