The Method of ‘Right and Wrong Cases’ (‘Constant Stimuli’) Without Gauss's Formulae

Proposed general procedure.3. Il'irst method of measuring the average limen.4. TJbe case of equal intervals.5. Second and slightly more accurate method of naeasuring the 6.Mean deuiation. Conclusion.Need of dispensing u i t h the Gaussian formulae in ti@ method of 'right and wrong cases.' average lirnen.