"By the method of magnitude estimation, Ss having no previous experience in judging electric shock made numerical estimations of the apparent intensity of an electric current applied through salt-water electrodes to the fingers of one hand. To a first approximation, these magnitude estimations determine a power function in which subjective intensity S is related to current I by S = 67.6 I-super(3.5)." This is discussed in terms of a category scale of intensity and relative to other types of stimulation of sense organs. (PsycINFO Database Record (c) 2006 APA, all rights reserved)