In response to a previous article, the paper characterizes learning disabilities as the consequence of a transaction between students exhibiting certain individual differences and the social system of the schools. Basic and applied research can be related in good instructional research which includes the context of disability. (DB)

This study investigated use of the Reading Component Model to subgroup poor readers. Poor readers were identified in second grade and subgrouped into four significantly different groups on the basis of relative strengths and weaknesses in word recognition and listening comprehension. Further analysis found poor readers' abilities were foreshadowed…