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John Locke
Discovered that a child is born with " tabula rasa" which is an absence of predetermined goals and the child is viewed as not having innate ideas. Believed that knowledge was developed from sensory exploration. -
G. Stanley Hall
Created the first text on how children think, which was called Adolesence, which focused on child-study development, and the Evolutionary benefits of development. He hoped this would become a guideline for teachers and social workers in the education system. -
Ivan Pavlov
Was responsible for Classical Conditoning, which is included in the behavioral theory. It focuses on specific conditions to alter behavioral reactions, and it is the set groundwork that is used in the present- day behavior modification practices in the schools today. -
Sigmund Freud
Created psychoanalysis, which was a method for treating psychopathology through dialogue through between patients and psychoanalyst. Also, explaining how unconscious memories of sexual molestation in early childhood are preconditoned and are known as psychoneuroses, known as Freud's Seduction Theory. -
Arnold Gesell
Was part of the Maturational Theory, and studies where predicted that psychologist were concerned with the biological maturation and how it was related to overall development.
Gesell carrried out observational studies and constructed a set of behavioral norms to illustrate sequential and predictable patterns of growth developement. -
Jean Piaget
Developed Cognitive Development, which was a comprehensive theory about the nature and development of human intellegence. He also believed, that one's childhood plays a vital active role in a person's development. Developmental stage theory, which deals with the nature of knowledge itself and how humans gradually come to aquire, construct, and use it. -
Erik Erikson
Known for his theory on psychosocial development of human beings, and it identifies eight stages through which a healthily developing human should pass from infancy to late adulthood and in each stage, the person confronts, and hopefully masters new challenges.
