Three separate evaluations of a computer-assisted instructional (CAI) drill and practice program were conducted. The CAI was provided by the Los Angeles County Superintendent to 14 districts as a means of improving students' math abilities and to help teachers manage diagnostic and prescriptive information. The California Test of Basic Skills…

The Plus Program was designed to provide a maximum amount of remedial work in reading and mathematics for disadvantaged youth in grades 1-8. About 75 percent of the project pupils were black, 20 percent white, and 5 percent Puerto Rican. Specially trained teachers worked with small groups of students in programs designed to be corrective and…