Answer:
The correct answer is option B, stage
Step-by-step explanation:
In psychology development is related to changes associated with age. There are several psychological theories proposed by Sigmund Freud, Erik Erikson, Jean Piaget, and Lawrence Kohlberg which says that development of an individual is based on series of stages where each stage signifies typical behavior patterns and each successor stage of development is an improvised version of its previous stage. Some common stage theories are - Sigmund Freud’s Theory of Personality , Erik Erikson’s Theory of Psychosocial Development, etc.