Hertzig, M E <br/><br/>
Class and ethnic differences in the responsiveness of preschool children to cognitive demands.  [electronic resource] 

 -  Monographs of the Society for Research in Child Development  1968 
 - 1-69 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0037-976X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Achievement<br/>Birth Weight<br/>Child Behavior<br/>Child, Preschool<br/>Cognition<br/>Ethnicity<br/>Family Characteristics<br/>Female<br/>Humans<br/>Intelligence<br/>Intelligence Tests<br/>Male<br/>Memory<br/>Motor Skills<br/>Play and Playthings<br/>Pregnancy<br/>Pregnancy Complications<br/>Social Class<br/>Verbal Behavior