Litwin, Mark S. <br/><br/>
How to measure survey reliability and validity 
Mark S. Litwin. 
 - Thousand Oaks, Calif.  Sage Publications  c1995. 
 - 87 p.  23 cm. 
 - Survey kit  v. 7 .
<br/><br/><label>ISBN: </label>0803957041 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Surveys<br/>Research Design<br/>Data Collection<br/>Health surveys