Howitt, Dennis . <br/><br/>
Understanding statistics in psychology with SPS 
Dennis Howitt and  Duncan Cramer 
 - 7th ed. 
 - New York :   Pearson,  2017. 
 - 726p. 
<br/><br/><label>ISBN: </label>9781292134215 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Psychometrics.
<br/><br/><label>Dewey Class. No.: </label>150.15195  / UND