44 



THOMAS WILLIAM BROCKBANK 



the other rats continued the learning of their respective 

 problem until the end of the 70-day period. At the com- 

 pletion of all this preliminary training, each rat was fed 

 for four days in the center of the maze, and the methods 

 of learning, retention, and redintegration, as originally 

 described in the chapter on methods, were carried out. 

 The same norm was also applied in learning and redin- 

 tegration. 



Tables VIII-A and VIII-B contain the records for this 

 group of rats. For the sake of comparison a summary 

 of the records of the rats in Tables IV-A and IV-C are 

 given, and also a summary of the records of Table V-C, 

 but not of Table V-A, owing to the fact that the records 

 of " errors " in this table are not sufficiently complete to 

 allow comparison with the present group. These tables 



TABLE VIII-A 



45-Day Period. 1 Trial per Day 



" Errors " At Turns 



With Previous Problems.* 



From 15th Trial of Learning; Complete Redintegration. 



