Lieberman, D A <br/><br/>
Learning when reward is delayed: a marking hypothesis.  [electronic resource] 

 -  Journal of experimental psychology. Animal behavior processes  Jul 1979 
 - 224-42 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0097-7403 
<br/><br/><label>Standard No.: </label>10.1037//0097-7403.5.3.224  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals<br/>Arousal<br/>Association Learning<br/>Choice Behavior<br/>Discrimination Learning<br/>Female<br/>Handling, Psychological<br/>Learning<br/>Male<br/>Orientation<br/>Rats<br/>Reinforcement Schedule<br/>Space Perception<br/>Transfer, Psychology