Final answer:
Behavioral therapy and support groups are most effective for treating alcoholics, as supported by literature on substance abuse disorders.
Step-by-step explanation:
The method of treatment that has been found to be the most effective for alcoholics is behavioral therapy and support groups. Additionally, psychotherapy is also well-regarded in the treatment process, providing individuals with professional support to change their thinking and behavior patterns. The substance abuse disorders literature, including works by the Center for Substance Abuse Treatment and Harvard Review of Psychiatry, highlights the importance of group therapy and support groups as essential components of an effective treatment strategy for substance abuse, including alcoholism.