Reports a case study of an instructional program developed for a nine-year-old boy who was a severe underachiever in both spelling and reading. The program used a structured, systematic instructional approach along with token reinforcement. Both reading and spelling showed improvement that was sustained beyond the treatment period. (Author/JDH)

The findings of several tests are used to describe some learning disabilities and patterns common in lower-class Puerto Rican and Negro children. In particular, perceptual dysfunction is pointed to as a major causal factor in the reading problems of the disadvantaged. In one urban slum school, 40 percent of first graders showed serious dysfunction…