The effect of reading practice upon reading ability was investigated in three separate studies, with six high school students in each study. Each student was given 50 to 70 hours of individualized instruction on a PLATO IV computer terminal. Half of the students in each study were selected on the basis of high scores on the Raven Progressive…

The degree to which reading ability and intelligence, as measured by the Raven Progressive Matrices Test, were related was studied for 486 students in grades 2 through 12 in a small town, rural school system. Results indicate the strong and consistent relationship between general intelligence and reading ability. (SLD)