Welkowitz, Joan. <br/><br/>
Introductory statistics for the behavioral sciences / 
Joan Welkowitz, Robert B. Ewen, Jacob Cohen. 
 - 5th ed. 
 - Fort Worth :  Harcourt brace college publishers,  c2000. 
 - xvii, 359 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0155052055 
<br/><br/><label>LCCN: </label>99-061315 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Statistical methods.<br/>Psychometrics.<br/>Social sciences--Statistical methods.<br/>Sociology--Statistical methods.
<br/><br/><label>Subjects--Index Terms: </label>Giáo dục Khoa học hành vi Phương pháp thống kê Xã hội học 
<br/><br/><label>LC Class. No.: </label>HA29  / .W445 2000 
<br/><br/><label>Dewey Class. No.: </label>519.5/024/3  / WEL 2000