Morrison, Keith <br/><br/>
Causation in educational research / 
Keith Morrison 
 - Milton Park, Abingdon, Oxon :  Routledge,  2009 
 - xiv, 231 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. [217]-227) and index 
<br/><br/><label>ISBN: </label>9780415496483 (hbk.)  RM448.50 9780415496490 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research<br/>Causation