Compared were the characteristics of 60 learning disabled (LD) and 60 normal children (all between 8- and 11-years-old) participating in the Georgia Reading Research Program. The target group consisted of LD children who showed deficits in the psychological process of ordering/sequencing; while the LD reference group were average or above average…

Using a developmental model, the author explains a hierarchy which describes how a young child learns to respond to various types of environmental stimuli and discusses some educational consequences of a reinforcement stimuli deficit. Development is seen to take place in succession beginning with the primary level, proceeding to the social,…