The purpose of this Title VI study was to determine which pairs of lowercase alphabet letters were most frequently confused by prereading children and therefore most likely to cause difficulty in initial reading. Two sample groups were used: 50 lower-middle-class kindergarten children with a median age of 6 years and 25 upper-middle-class nursery…

A laboratory and a classroom study were conducted to determine if verbal association learning would be facilitated by visual discrimination training. Kindergarten children who could not recognize the letters used were the subjects for both studies. In the laboratory study, 90 subjects were randomly assigned to the experimental group (E) which got…