Fig. 6—Part 2.
Fig. 6—Part 3.
Fig. 6—Part 4.
Fig. 6—Part 5.
Fig. 7—Part 1.
The two parts of Figure 7 show X’s improvement in silent reading, from April 15, 1921, to Dec. 2, 1921, as measured by Thorndike-McCall “Reading Scale,” Form 1.
(On the latter date, X answered 23 questions correctly, scoring 52 points, which is the norm for the end of grade 6B.)