Which developmental stage primarily concerns the development of relationships and social identity from 12-18 years?

The developmental stage that primarily concerns the development of relationships and social identity from 12 to 18 years is indeed the genital stage. This stage, according to psychoanalytic theory proposed by Sigmund Freud, marks a time when individuals begin to form intimate relationships and develop a stronger sense of who they are in relation to others.

During the genital stage, which typically begins around puberty, the focus shifts to mature sexual intimacy and the exploration of personal identity through relationships. It's a critical period for adolescents as they start to seek acceptance and belonging, navigate friendships, romantic relationships, and establish their social roles. This stage is characterized by an increased interest in sexual relationships and an understanding of the importance of love, emotional connections, and social identity.

In contrast, the other stages do not primarily focus on social relationships in the same way. The latent stage involves a period of socialization and skill development where sexual feelings are less prominent. The phallic stage centers on the development of sexual identity and gender roles earlier in childhood. The anal stage revolves around issues of control and autonomy during toilet training. Each of these stages has different emphases and does not capture the essence of the social and relational focus that characterizes the genital stage.