References
- Friedman M. The use of ranks to avoid the assumption of normality implicit in the analysis of variance. J. Amer. Statist. Assoc. 1937; 32: 675–701
- Greenbaum H. B. Simple reaction time: A case in signal detection Unpublished Doctoral Dissertation. Columbia University. 1963, Available from University Microfilms, Ann Arbor, Michigan).