Chapin, F Stuart <br/><br/>
Experimental designs in sociological research 

 - Connecticut  Greenwood press  1955 
 - xii, 297 p.; 22cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Experimental design<br/>Social research<br/>Social sciences - experimental methods<br/>Social sciences - study and teaching<br/>Sociological research