Rubin, Jeffrey <br/><br/>
Handbook of usability testing :  how to plan, design, and conduct effective tests / 
Jeff Rubin, Dana Chisnell 
 - 2nd ed. 
 - Indianapolis, IN :  Wiley Pub.,  c2008 
 - xxxvi, 348 p. :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0470185481 9780470185483 (paper/website) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>User interfaces (Computer systems)--Testing