Researchers who have studied hypnosis say more, well-conducted studies are needed to determine if hypnosis really helps smokers kick the habit for good, but add that hypnosis remains a hopeful approach and has many other benefits. However, the best way to quit may be to combine several techniques. Patients often require several different strategies along the way.
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While there is a multitude of different tangible benefits associated with executive coaching, many benefits don't appear as line items on financial statements. Executive coaching often focuses on leadership skills and relationships with managers, direct reports, co-workers, and other stakeholders. In these cases, executive coaches focus on teamwork, problem solving, decision making, and conflict resolution skills. The results can be transformative. A survey reported by Clear Coaching Limited found that executive coaching resulted in improvements in work relationships within a team (50 percent frequency), employees' abilities to see others' perspectives (47 percent), and improved atmosphere (40 percent). In a world where the strength of an organization's culture is increasingly trumping salary levels in terms of importance to employees, these intangible benefits are more relevant than ever.

Graduate and post-graduate students typically complete advanced coursework in exercise science, kinesiology and clinical psychology. A one-year internship through a program approved by the American Psychological Association (APA) may be an additional requirement for graduation. Continuing education and training is available through several professional organizations, including the APA and the Association for Applied Sport Psychology, once state licensing or certification as a psychologist is obtained.
Based on this definition, sports psychologists can participate in various activities, mostly focused on working to understand what motivates athletes and how athletes can improve their performance. These activities can range from counseling athletes who might have anxiety issues that hamper their performance to instructing athletes (individually or in groups) on methods of mental conditioning (e.g., visualization, concentration and relaxation) to helping athletes deal with injuries. To put all of this in another way, a sport psychologist is working from the perspective that success in sports relies on both the body and mind. To add one other important point, sports psychologists are often found working with elite athletes—Olympians and professionals. However, sports psychologists can be found working with athletes at all levels as well as with coaches and sports administrators.

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.