1902-1987 1999b-729 2004d-323 2013d-931 2015f-589 adolescent child childdevelopment childpsychotherapy client-centeredpsychotherapy counseling interview interviewinginmentalhealth mentaldisorders mentalillness mentallyill methods motivation motivationalinterviewing patientcompliance patientparticipation personalautonomy preschool psychological psychotherapy rehabilitation rj rogers therapy treatment wm400 wm55r813b2018