Betts has recently concluded that visual refractive errors and anomalies of binocular coordination are important causes of poor reading among first-grade entrants. The purpose of the present study was to determine whether such visual deficiencies, as revealed by Betts' tests, differentiate significantly between poor and good readers at the college level.
Proceedings of the Iowa Academy of Science
©1935 Iowa Academy of Science, Inc.
Swanson, Donald E.
"Betts' Physiological Approach to the Analysis of Reading Disabilities as Applied to the College Level,"
Proceedings of the Iowa Academy of Science, 42(1), 174-174.
Available at: https://scholarworks.uni.edu/pias/vol42/iss1/85