Hypnotherapy expert, Dr Peter Marshall, former Principal of the London School of Hypnotherapy and Psychotherapy Ltd. and author of A Handbook of Hypnotherapy, devised the Trance Theory of Mental Illness, which provides that people suffering from depression, or certain other kinds of neurosis, are already living in a trance and so the hypnotherapist does not need to induce them, but rather to make them understand this and help lead them out of it.[24]
As a sub-discipline, the amount of research in exercise psychology increased in the 1950s and 1960s, leading to several presentations at the second gathering of the International Society of Sport Psychology in 1968.[71] Throughout the 1970s and 1980s, William Morgan wrote several pieces on the relationship between exercise and various topics, such as mood,[72] anxiety,[73] and adherence to exercise programs.[74] Morgan also went on to found APA Division 47 in 1986.[75]

Motivation — Recent research implies that sports-related achievement motivation is composed of several traits that together form a general orientation of a person towards achievement in sports. This research refers to The Achievement Motivation Inventory (AMI) (Schuler, Thornton, Frintrup & Mueller-Hanson, 2003) which is a broad-spectrum assessment of achievement-motivation in business, and has been used to develop the Sports Performance Indicator.
While coaching has become a recognized intervention, sadly there are still no standards or licensing arrangements which are widely recognized. Professional bodies have continued to develop their own standards, but the lack of regulation means anyone can call themselves a coach. [...] Whether coaching is a profession which requires regulation, or is professional and requires standards, remains a matter of debate.
Published, controlled studies of the use of hypnosis to cure warts are confined to using direct suggestion in hypnosis (DSIH), with cure rates of 27% to 55%. Prepubertal children respond to DSIH almost without exception, but adults often do not. Clinically, many adults who fail to respond to DSIH will heal with individual hypnoanalytic techniques that cannot be tested against controls. By using hypnoanalysis on those who failed to respond to DSIH, 33 of 41 (80%) consecutive patients were cured, two were lost to follow-up, and six did not respond to treatment. Self-hypnosis was not used. Several illustrative cases are presented.
For many years I have tried various methods of giving up smoking – none worked – then I tried your self hypnosis CD for 7 days. I found it very relaxing and coupled with the use of nicotine replacement products (patches and nasal spray) I succeeded for a continuous 7 months without any discomfort. Unfortunately, I have found that hypnosis needs to be topped up at regular intervals to last and this I did not do. I needed and still need to ‘quit the weed’ for health reasons and intend to recommence the self hypnosis course again in the very near future. Where I had failed before was a lack of resolve or in other words will power. By using the self hypnosis CD I found I was easily able to allow my subconscious to dictate whether I smoked or not, rather than use will power which I have in little resource. All in all I would thoroughly recommend the use of this self hypnosis treatment to give up smoking, provided you’re prepared to top up the hypnosis periodically.

It is used for a wide variety of applications, and studies into its efficacy are often of poor quality[2] which makes it difficult to determine efficacy. Several recent meta-analyses and systematic reviews of the literature on various conditions have concluded that the efficacy of hypnotherapy is "not verified",[3] that there is no evidence[4][5] or insufficient evidence[6][7] for efficacy.