318193
At a time when American psychology was dominated by behaviorism , he developed the concept of self-help as a method in psychotherapy of the self in the 1920s .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
 None