The processing of a transitivity task by 7-, 9-, 11-, and 13-year-old learning disabled children was studied. All Ss, regardless of age, received highest scores on tasks involving linguistic input. There was no evidence of a developmental shift from spatial into linguistic reasoning. (Author/SEW)

The difficulties children have when learning to read vary from child to child and from age to age. Some learning variables transfer as a child develops so that skills acquired in early learning stages transfer to more mature stages of development. However, the abilities that transfer and produce effects at one stage of learning may be different…