CONTENTS 



Page 



Introduction 1 



Description of Apparatus 4 



Method of Conducting Experiments 7 



List of Subjects 9 



Discussion of Subjects 10 



I. Presentation of Results 11 



II. Reaction-type Tables (Table 2) 14 



III. Discussion of Table 2 20 



IV. Determinants of Initial Direction of Activity 32 



V. Studies of Habit Formation by the Multiple Choice Method 38 



VI. Conclusions 43 



Appendix : 



1. Individual Records of Twenty Girls 46 



2. Individual Record of White Rat 5 57 



3. Analysis of White Rat 5's Record (Calculations for Table 8) 58 



