Harter's theory focuses on self-esteem, self-concept, and the ideal self. It states that self-esteem can be observed through success in academic, social, and physical areas. The theory also discusses the importance of developing a strong self-image as children grow. Harter's theory influenced practices that provide strong, nurturing relationships with individual children and ensure settings have a positive environment where adults also feel comfortable. It can be applied through demonstrating positive body language, giving unconditional praise, and showing interest in what children are doing.