HOWE, E S <br/><br/>
The effect of an increased versus a decreased reduction in shock used as incentive.  [electronic resource] 

 -  The American journal of psychology  Sep 1961 
 - 462-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0002-9556 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Learning<br/>Motivation<br/>Stress, Physiological