Contents 



PAGE 



Prefatory Note 4 



Introduction 5 



I. Survey of Reading Ability in Eighteen Indiana Cities — 



The Tests 6 



Method of Computing Scores — 



Visual Vocabulary 9 



Understanding of Sentences 11 



Results — 



City Scores 12 



The Tests as Scales 15 



Absence of Proper Grade Progression 16 



Overlapping 20 



Effective Speed 27 



Age and Efficiency 30 



Sex Difference 34 



11. Revision and Extension of the Reading Scales — 



Correlation of Two Scales 35 



Factors in Knowledge of Words 38 



Extension of Vocabulary Scale 39 



Indiana-Thorndike Visual Vocabulary Scale 42 



Rules for Making Test Scales 45 



Sample Scales 47 



a. Scale R 47 



b. Scale R2 47 



c. Scale A2 48 



Understanding of Sentences — 



Irregularity of Steps in Scale Alpha 48 



Test for Revision of Scale Alpha 49 



New Understanding of Sentence Scales — 



Scale Beta 1 50 



Scale Beta 2 53 



Visual Vocabulary Directions 57 



Understanding of Sentences Directions 59 



Key for Scale Beta 1 60 



Key for Scale Beta 2 60 



