• Under this test, an actor is negligent if the burden of taking adequate precautions against the harm is outweighed by the probable gravity of the harm multiplied by the probability that the harm will occur. [Cases: Negligence 215.C.J.S. Negligence §§ 32–33, 195–196.]
Hand formula
A balancing test for determining whether conduct has created an unreasonable risk of harm, first formulated by Judge Learned Hand in United States v. Carroll Towing Co., 159 F.2d 169 (2d Cir. 1947).