Gerber, Alan S. <br/><br/>
Field experiments :  design, analysis, and interpretation / 
Alan S. Gerber, Donald P. Green. 
 - New York :  W. W. Norton,  [2012]. 
 - xvii, 492 p. :  ill. ;  24 cm. 
<br/><br/>Includes index and bibliography. 
<br/><br/><label>ISBN: </label>9780393979954 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Political science--Research--Methodology<br/>Social sciences--Research--Methodology<br/>Social science--Study and teaching (Higher)<br/>Political Science --Study and Teaching (Higher)
<br/><br/><label>Dewey Class. No.: </label>001.434