Final answer:
The aspects of self: material self, social self, and spiritual self, are defined by the term self-concept. Developing a positive self-concept is important for healthy development.
Step-by-step explanation:
The aspects of self: material self, social self, and spiritual self, are defined by the term self-concept.
The self-concept refers to all of our thoughts and feelings about ourselves, including how we perceive our physical appearance, our relationships with others, and our spiritual beliefs. It encompasses our understanding of who we are and how we fit into the world.
Developing a positive self-concept is important for healthy development and can lead to increased confidence, academic success, and motivation to try new activities.