Groups and trainings such as Lifestream Lifespring (1974-ca 1995), Erhard Seminars Training (abbreviated est in lowercase) (1971-1981), IMPACT Trainings, (1985-Current)The Forum (1981-1991), Newfield Consulting, Seres Naturales, Landmark Education/Landmark Worldwide (1991-current), and Benchmark claimed to have worked to improve people's overall level of satisfaction and interpersonal relations through group interaction [REF].
There is a style of LGAT to carry out in the outdoors for using methods of an American Indian and other therapy.