What is the difference between trait theory and trait approach?

Trait theory refers to the conceptual framework that focuses on identifying and measuring individual personality characteristics, known as traits, that are stable over time and influence behavior. In contrast, the trait approach is the practical application of this theory, involving the assessment and analysis of these traits to understand and predict individual behavior in various contexts. While trait theory provides the foundational understanding of personality traits, the trait approach involves utilizing this understanding in real-world settings, such as in psychological assessments or research.