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…

This study of the relation of variables of home environment to differences in children's cognitive development used a sample of 25 pairs of grade five boys in the 10-12 age range matched for general intelligence but discrepant with respect to verbal ability. Home environmental measures were obtained by means of a 70 minute interview with the…