Cozby, Paul C., <br/><br/>
Methods in behavioral research / 
by Paul C. Cozby, Scott C. Bates. 
 - Fourteenth edition. 
 - xix, 411 pages :  illustrations ;  23 cm. 
<br/><br/>Includes index and references : page 381-396. 
<br/><br/><label>ISBN: </label>9781260565980  RM158.00 (PTSL) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology--Research--Methodology.<br/>Social sciences--Research--Methodology.