Gavin, Helen. <br/><br/>Understanding research methods and statistics in psychology/ Helen Gavin.  -- Los Angeles, CA:  SAGE.,  2008. <br/>viii, 404 p.:  col, ill.;  23 cm. <br/><br/> Includes bibliographical references. <br/><br/><label>ISBN: </label>9781412934411 <br/><br/><label>Subjects--Topical Terms: </label><br/>Psychology -- Research -Methodology. Psychology -- <br/>Statistical methods. Psychology.<br/><br/><label>Dewey Class. No.: </label>Res 150.72 G245 2008