Gravetter, Frederick J. <br/><br/>
Research methods for behavioral science / 
Frederick J. Gravetter. 
 - 5th edition 
 - Singapore :  Cengage learning,   c2017. 
 - xxiii, 628 pages :  illustrations;  23cm. 
<br/><br/>Includes index and bibliographic references. 
<br/><br/><label>ISBN: </label>9789814773782 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1. Psychology– Research– Methodology
<br/><br/><label>Dewey Class. No.: </label>Circ. 150.72 G775r 2017