Boulton, David K. <br/><br/>
Principles of social and educational research.  Block 4, units 17-21,  Data analysis / 
David Boulton ... [et al.] 
 - Milton Keynes :  Open University,  c1993. 
 - 123 p. :  ill ;  30 cm. +  pbk. 
 - DEH313 series .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0749201568 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research<br/>Sociology--Research.<br/>Statistics<br/>Data reduction.
<br/><br/><label>Dewey Class. No.: </label>370.78