Comprehension of possessive and present continuous sentences by nonretarded, mildly retarded, and severely retarded children.
D002648:Child; D002657:Child Development; D003071:Cognition; D004495:Education of Persons with Intellectual Disabilities; D006801:Humans; D008607:Intellectual Disability; D007802:Language; D011578:Psycholinguistics; D013060:Speech; D013647:Task Performance and Analysis; D014796:Visual Perception; D014825:Vocabulary