The study involving 20 retarded and 20 control children (all 10 to 13 years old) was conducted to determine the extent to which short-term memory of three-dimensional stimuli is dependent upon a verbal process for both normal and retarded children. (SBH)

The hypothesis that reading difficulty of learning disabled (LD) children is attributable to deficiencies in verbal encoding was investigated with 60 LD and normal children (mean CA=9.1, mean IQ=103.5). Ss were compared on recall of a serial short-term memory task after pre-training of named and unnamed stimulus conditions. Data suggested that…