Johnson, Ruth S. <br/><br/>
Data strategies to uncover and eliminate hidden inequities :  the wallpaper effect / 
 Wallpaper effect 
Ruth S. Johnson, Robin Avelar La Salle. 
 - Thousand Oaks, Calif. :  Corwin,  c2010. 
 - xii, 293 p. :  ill. ;  26 cm. 
<br/><br/> Pusat Pengajian Bahasa dan Pembangunan Insaniah. 
<br/><br/>Includes bibliographical references (p. 280-287) and index. 
<br/><br/><label>ISBN: </label>9781412914932 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational equalization.<br/>Educational evaluation--Data processing.<br/>School improvement programs.