estimates of effect sizes were calculated for group , individual , and control treatments across all studies , according to treatment modality ( psychotherapy , counseling , or psychoeducation ) , type of control ( no treatment or some treatment ) , date of the study ( 1955-1969 or 1977-1982 ) , and the subjects ' age ( adult , adolescent , or child ) .
C0027361
individual
C0008059
child