Research methodology in the social, behavioural, and life sciences / 
edited by Herman J. Ader and Gideon J. Mellenbergh 
 - London :  Sage Publications,  c1999. 
 - xvii, 393 p. ;  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references (p. 352-380) and index. 
<br/><br/>
<br/><br/><label>ISBN: </label>0761958835 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--Methodology.<br/>Social sciences --Methodology.
<br/><br/><label>LC Class. No.: </label>Q180.55.M4  / .R47 1999