Correct option is C
Ans. (c) Sigmund Freud
Sol. Sigmund Freud developed the Theory of Psychosexual Development, which explains how personality develops through a series of five stages: Oral, Anal, Phallic, Latency, and Genital. He believed that unresolved conflicts at any stage could lead to fixations affecting adult behavior.
Explanation of each option:
(a) Erik H. Erikson – Incorrect. Proposed the Psychosocial Development Theory, focusing on social influences across eight stages of life.
(b) Jean Piaget – Incorrect. Developed the Cognitive Development Theory, explaining how children acquire knowledge.
(c) Sigmund Freud – Correct answer. Freud's theory focuses on unconscious desires and childhood experiences shaping personality.
(d) Lawrence Kohlberg – Incorrect. Proposed the Theory of Moral Development, describing how moral reasoning evolves.