Ten language impaired and 10 language normal children, aged 3-5), were asked to solve verbal and nonverbal problems requiring color and size judgments. There were no group differences on the verbal tasks, but the language impaired children performed less well on the nonverbal tasks especially on problems dealing with size. (Author/DB)

THE LEARNING OF VERBALLY CONDITIONED MATERIAL WAS STUDIED TO CLARIFY SOME OF THE CONDITIONS UNDER WHICH SUCH LEARNING IS ACCOMPANIED BY THE USE OF HIGHER MENTAL PROCESSES, AND THE CONDITIONS UNDER WHICH IT IS NOT. THE STARTING POINT FOR THIS RESEARCH WAS THE PREMISE THAT LEARNING IN VERBAL CONDITIONING CAN OCCUR EITHER WITH OR WITHOUT AWARENESS ON…

A 7-month longitudinal study of 20 2- and 3-year-old children shows that children at an early age already know that counting words each refer to a distinct numerosity, although they do not know to which numerosity. It takes children a long time to learn the latter. (SLD)

The range of meanings of "big" and "little" that mothers and their three children under age two expressed in relatively natural communication situations was studied. Longitudinal data from transcripts of conversations of middle-class mothers and their children were analyzed along with diary records kept by parents of their children's use of size…