Athens, Elizabeth S <br/><br/>
Shaping academic task engagement with percentile schedules.  [electronic resource] 

 -  Journal of applied behavior analysis  2007 
 - 475-88 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0021-8855 
<br/><br/><label>Standard No.: </label>10.1901/jaba.2007.40-475  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Achievement<br/>Child<br/>Female<br/>Humans<br/>Male<br/>Reinforcement Schedule<br/>Students