How did Hippolyte Taine use positivism to explain human behavior?

Hippolyte Taine applied the principles of positivism to human behavior by advocating for a scientific, empirical approach to the humanities, moving away from speculative or introspective methods. He sought to identify the causal forces of human conduct through a framework of biological determinism, emphasizing the physiological basis of personality.12

To explain the development of an individual—particularly writers and their works—Taine proposed that human behavior is shaped by three primary conditioning factors:31

• Race: The inherited temperament or disposition that persists over generations.31
• Milieu: The social, political, and geographical environment that modifies an individual's inherited traits.31
• Moment: The momentum of past and present cultural traditions and historical circumstances.31

By analyzing these factors, Taine believed one could uncover the faculté maîtresse, or the predominant characteristic that determines an individual's actions and creations. His work in empirical psychology and literary criticism helped provide a theoretical foundation for naturalism, arguing that human nature should be understood through the study of its physiological and psychological determinants.1