Key points are not available for this paper at this time.
Judith A. Cook, Tamar Heller, Susan A. Pickett-Schenk, The Effect of Support Group Participation on Caregiver Burden among Parents of Adult Offspring with Severe Mental Illness, Family Relations, Vol. 48, No. 4, Interventions for Family Caregivers (Oct., 1999), pp. 405-410
Cook et al. (Fri,) studied this question.