a pilot research program conducted on 195 adolescents aged 14 to 18 shows a number of significant correlations between quantitative and qualitative aspects of friendships and various aspects of mental health , the number of friends and of close friends as well as the quality of interactions and the degree of intimacy lead to positive correlations with various signs such as emotional wavelength , control of one 's environment and absence of psychopathological symptoms .
C0205556
qualitative
C0018684
health