Haggerty: The Ability to Read 



21 



KLOW 

 4 



4 



mm 



4 



Km 



4 



Gr0/le 4 6rt}de 6 Orode S 



FIGURE VI — Visual Vocabulary. Showing overlapping of all grades 

 in 14 cities. Ordinate = scale values ; abscissa = per cent of pupils making each 

 score . 



resented in Figure VI. These results from the children of fourteen 

 cities show a distribution for every half grade over five and one- 

 half steps, and for most half grades, 7A, 7B, and 6B to 3B, over the 

 entire length of the scale. The overlapping for three grades of 

 one school is shown in Figure VII. 



Grade 



Per Cent of Children MoKmcj o Particular Score 



FIGURE VII — Visual Vocabulary. Showing overlapping of grades 

 in one school. Qrdinates =line value; abscissas = per cent of pupils making 

 each score. 



