Siegel, Sidney,  1916-1961. <br/><br/>
Nonparametric statistics for the behavioral sciences / 
Sidney Siegel. 
 - New York :  McGraw-Hill,  c1956. 
 - xvii, 312 p. :  ill. ;  21 cm. 
 - McGraw-Hill series in psychology .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychometrics.<br/>Nonparametric statistics.<br/>Social sciences--Statistical methods.