Creasey, Gary <br/><br/>
Research methods in lifespan development / 
Gary L. Creasey 
 - Boston, MA :  Pearson/Allyn & Bacon,  2005 
 - xiv, 448 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0205354815  RM246.68 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Developmental psychology--Research--Methodology