André, Carolyn D., <br/><br/>
Payment incentives in a social experiment / 
Carolyn D. André   
 - 8 pages ;  28 cm. 
 - The Rand paper series;  P-6410 .
 - The Rand paper series;  P-6410  .
<br/><br/>Includes bibliographical references (page 8) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Public opinion polls.