Vocational courses and classes are offered by a number of institutions. Many high schools offer basic vocational education, such as home economics, woodshop, and auto repair. Vocational educational institutions vary by state, but most postsecondary vocational instruction is offered by private career schools.
Sigmund Freud of Vienna, who is considered as the father of modern psychology, originated a new method called the Free Association Technique. Freud considered that mind has three parts  the conscious, the pre-conscious and the unconscious. He considered that 90% of the mind is the unconscious mind.
Commonly known as the founder of Positive Psychology, Martin Seligman is a leading authority in the fields of Positive Psychology, resilience, learned helplessness, depression, optimism and pessimism. He is also a recognized authority on interventions that prevent depression, and build strengths and well-being.ince 2000, his main mission has been the promotion of the field of Positive Psychology. Dr. Seligman is expanding Positive Psychology to education, health, and neuroscience, and has applied his research to groups like teachers and students, the U.S. Army, athletes, and every-day people.