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.
Around this time, another psychologist was offering his views on child cognitive development. Lev Vygotsky offered an alternative to Piaget's stages of cognitive development. Vygotsky's Sociocultural Theory of Development became a major influence in the field of psychology and education (Woolfolk, A., 2004).ev Vygotsky offered an alternative to Piaget's stages of cognitive development. Vygotsky's Sociocultural Theory of Development became a major influence in the field of psychology and education (Woolfolk, A., 2004).