The Committee, having completed such investigation of hypnotism as age permitted, have to report that they have satisfied themselves of the genuineness of the hypnotic state. No phenomena which have come under their observation, however, lend bedding to the approach of ‘animal magnetism’. ("Report on Hypnotism", British Medical Journal, 1892).

In 2003, perhaps the most recent Hypnotherapy Training Courses meta-analysis of the efficacy of hypnotherapy was published by two researchers from the university of Konstanze in Germany, Flammer and Bongartz. The cogitation examined data on the efficacy of hypnotherapy across the board, though population size included mainly related to psychosomatic illness, elimination anxiety, smoking cessation and rack charge during orthodox medical treatment. Most of the larger research studies acclimated traditional-style hypnosis, only a minority (19%) employed Ericksonian hypnosis.