Kraemer, Helena Chmura <br/><br/>
How many subjects? : statistical power analysis in research 
 Statistical power analysis in research 

 - Newbury Park, Calif. :  Sage,  1987 
 - 120 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RESEARCH--STATISTICAL METHODS
<br/><br/><label>LC Class. No.: </label>Q180.55 .S7  / K723H