Monroe: Progress and Promotion 



33 



age) have been computed from Tables I to VI by the ''second 

 method". The former is shown in Table XIII and the latter 

 in Table XIV. Figure 6 shows the per cent of retardation 

 and acceleration for both boys and girls in systems having 

 semiannual promotion. In the first grade there is practically 



Retardation Acceleration 

 Grades 10 20 30 40 50 60 70 80 90 100 



.]■■--—. ' I i I I I I 1 ^^^^^^^ 



Fig. 7. Showing per cent of retardation and acceleration in systems 

 having semiannual promotion (upper) and in cities having annual pro- 

 motion (lower). 



