Today, behaviors of the adolescents are nation-wide problems of all over the country.Psychology of Adolescent is one of the fields of science contributes to the understanding of their way of thinking and attitudes. However, study of this field is still behind comparing with that of child psychology. So the intensive study in the field of adolescent psychology is seriously needed and the further progress is to be expected.
The researcher has observed aspects of study in the said field in those countries, such as Japan, the United States, England, France, both West and East Germany and the Soviet Union. As a result, he has found as follows: in each country, there exists each different social system which reveals some significant features there in terms of status of scholars, procedure of study they persue, etc. At the same time, some significant common problems are also found in the respective country: These are 1) development of the theory is stll behind and 2) an approach from the viewpoint of social psychology to this field is being regarded as important.
