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.
Sigmund Freud. Sigmund Freud was one of the trailblazers of modern-day psychology. As the originator of Psychoanalysis, Freud distinguished himself as an intellectual giant. He pioneered new techniques for understanding human behavior, and his efforts resulted in the most comprehensive theory of personality and psychotherapy ever developed.