Regarding self-help groups, which of the following statements is FALSE?
a. Self-help groups can add support to other forms of individual professional treatment.
b. Self-help groups are often used for specific types of problems, such as eating disorders or alcoholism.
c. The two main types of self-help groups are sensitivity groups and encounter groups.
d. In many instances helping others also serves as therapy for those who give help within a self-help group.