The document discusses several major theories of human development including psychoanalytic theory, behaviorism, cognitive theory, sociocultural theory, and epigenetic theory. It provides an overview of the key people and ideas associated with each theory. For example, it describes Freud's ideas about stages of psychosexual development in psychoanalytic theory and Watson's views on learned behavior in behaviorism. The document also notes how each theory has contributed to understanding development and advocates an eclectic approach using different aspects of the various theories.

14. Focuses of the Grand Theories

20. Zone of Proximal Development