References
- Hodges , J. and Lehmann , E. 1963 . “Estimates of Location Based on Rank Tests,” . Annals of Mathematical Statistics , 34 : 598 – 611 .
- Holland , P. 1988 . “Causal Inference, Path Analysis, and Recursive Structural Equation Models,” . In Sociological Methodology , Washington , DC : American Sociological Association .
- Hollander , M. and Wolfe , D. 1973 . Nonparametric Statistical Methods , New York : John Wiley .
- Kempthorne , O. 1952 . Design and Analysis of Experiments , New York : John Wiley .
- Lehmann , E. 1975 . Nonparametrics: Statistical Methods Based on Ranks , San Francisco : Holden Day .
- Maritz , J. S. 1995 . Distribution-Free Statistical Methods , London : Chapman and Hall .
- Rosenbaum , P. R. 1993 . “Hodges-Lehmann Point Estimates of Treatment Effect in Observational Studies,” . Journal of the American Statistical Association , 88 : 1250 – 1253 .
- Rosenbaum , P. R. 1995 . Observational Studies , New York : Springer-Verlag .