Kreitler, S <br/><br/>
Rigidity in mentally retarded and nonretarded children.  [electronic resource] 

 -  American journal of mental retardation : AJMR  Mar 1990 
 - 550-62 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S. 
<br/><br/><label>ISSN: </label>0895-8017 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Attention<br/>Child<br/>Cognition Disorders--psychology<br/>Defense Mechanisms<br/>Discrimination Learning<br/>Female<br/>Humans<br/>Intellectual Disability--psychology<br/>Male<br/>Problem Solving<br/>Psychomotor Performance<br/>Transfer, Psychology