A review of published work over the past decade and a half supports th
e effectiveness of the large group in clinical settings. Greater sophi
stication among practitioners has led to combining administrative, psy
chotherapeutic, and sociotherapeutic large groups and to the use of ef
fective treatment teams and clearly defined contracts in inpatient hos
pital work. Some research findings suggest that large treatment groups
are as effective as small therapy groups with some patient population
s. There appears to be a movement toward convergence in the techniques
employed by individual, small group, and large group therapists in pr
actice, while not in theory. This positive trend in the mental health
field may lead to more flexible practitioners.