TY - GEN AU - Siegel Sidney AU - TI - Nonparametric statistics for the behavioral sciences SN - 070573484 AV - BF39 U1 - 519.5 PY - 1956/// CY - New York PB - McGraw-Hill KW - Social sciences KW - Nonparametric statistics KW - Psychometrics KW - Statistical methods N1 - Includes indexes ER -