Changes in Rod and Frame Test Scores Recorded in Schoolchildren during Development – A Longitudinal Study
Figure 5
Distribution of signed mean errors.
A, Grade 2 (age 7–8 years); B, Grade 4 (age 9–10 years); C, Grade 6 (11–12 years). Open bars – counter clockwise frame tilt; filled bars – clockwise frame tilt. (n = 419 in all cases).