Cohen, Jacob,  1923- <br/><br/>
Statistical power analysis for the behavioral sciences / 
Jacob Cohen. 
 - 2nd ed. 
 - Hillsdale, N.J. :  L. Erlbaum Associates,  1988 
 - xxi, 567 p. ;  24 cm. 
<br/><br/>Bibliography : p. 553-558 Includes index. 
<br/><br/><label>ISBN: </label>0805802835  RM462.30 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Statistical methods.<br/>Probabilities.<br/>Statistical power analysis.