Contents 



PAGE 



Prefatory Note 3 



I. Second Report on the Measurement of Arithmetic in In- 

 diana City Schools By Melvin E. Haggerty 



Introduction 5 



Causes of Variability in Scores 8 



Speed and Accuracy 9 



Standard Scores and Charts 9 



Comparison of 1915 Scores and 1914 Scores from Nine Cities. 12 



Tables and Charts . . 13 



11. Arithmetic Tests in Rural Schools of Five Indiana Coun- 

 ties By Paul R. Mort 



Introduction 59 



Results from the District and Graded Schools of Five County 



Systems 60 



Factors Affecting Achievement in the Fundamentals of Arith- 

 metic 68 



The Achievement of the Retarded 78 



III. Effects of Six Weeks' Daily Drill in Addition. . . .By Mary 



A. Kerr 79 



IV. An Experimental Study of the Effects of Drill in Arith- 



metical Processes under Varying Conditions. . . .By Herman 

 Wimmer. 



Introduction 96 



Normal Growth without Drill during Six Weeks 98 



Comparative Progress with Drill and without 99 



Comparison of Progress with Drill on Fundamentals and 



Progress with Drill on Reasoning 99 



Drill for Speed and Drill for Accuracy 100 



The Best Distribution of Time for Drills 101 



Comparison of the First Six Weeks' Gain under Drill in each 



Grade 102 



V. Experiments with Courtis Practice Pads. .By Flora Wilber 



Nature of the Study 103 



Speed 106 



Accuracy 107 



Comparison of Speed and Accuracy 109 



Summary . 110 



