This paper examined and synthesized studies of treatment of individuals identified as homosexual using meta-analytic technique. A large number of studies (146) evaluating treatment efficacy were identified, most published prior to 1975 and 14 of which met inclusion criteria and provided statistics that could be used in a meta-analysis. These 14 outcome studies were published between 1969 and 1982 and used primarily behavioral interventions. Analysis indicated that treatment for homosexuality was significantly more effective than alternative treatments or control groups for homosexuality (ES = .72), and significant differences were found across pre- to postanalysis (ES = .89). In other words, the average patient receiving treatment was better off than 79% of those in the alternative treatments or as compared to pretreatment scores on the several outcome measures. This meta-analysis of 14 studies provides empirical support for a group of 146 studies which have narratively suggested that treatment for homosexuality is effective. Variables related to treatment efficacy are examined.

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