This study examined the relationship of tutorial enrichment of cognitive processes and reinforcement of lengthened response latency to measurements of impulsivity in 3- and 4-year-old children in a typical preschool setting. In a pretest-posttest control group design, 48 impulsive subjects (24 male and 24 female) were randomly assigned to tutorial…

This study compared 5 groups (45 each) of disadvantaged first grade children learning to read 16 basic sight vocabulary words. The subjects were enrolled in 1 of 16 classrooms on three campuses of a school district in Texas located on the southern border between the United States and Mexico. Furthermore, all spoke Spanish as their first language.…