First Stage of Erikson's Psychosocial Development

In the study of developmental psychology, social development is a critical area of research. It examines how individuals form social relationships and how these relationships affect their psychological growth. Key theorists in this field have proposed various stages of social development through which children typically progress. One prominent theorist, Erik Erikson, highlighted several key stages of psychosocial development.

Which of the following is the first stage according to Erikson's theory of psychosocial development?