Kopfstein, D <br/><br/>
Effects of accelerating and decelerating consequences on the social behavior of trainable retarded children.  [electronic resource] 

 -  Child development  Sep 1972 
 - 800-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0009-3920 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Aggression<br/>Child<br/>Education of Persons with Intellectual Disabilities<br/>Female<br/>Humans<br/>Intellectual Disability<br/>Interpersonal Relations<br/>Male<br/>Peer Group<br/>Play and Playthings<br/>Probability<br/>Punishment<br/>Reinforcement, Psychology<br/>Social Behavior