Christensen, Larry B. <br/><br/>
Research methods, design, and analysis 
Larry B. Christensen, R. Burke Johnson and Lisa A. Turner 
 - 12th ed. (Global ed.) 
 - Boston:  Pearson,  2015. 
 - 542p. 
<br/><br/><label>ISBN: </label>9781292057743 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Experimental research <br/>Research methodology <br/>Social sciences-Research 
<br/><br/><label>Dewey Class. No.: </label>001.434  / CHR