How did Joseph Priestley’s ideas about the association of ideas influence his teaching methods?

Joseph Priestley utilized the doctrine of association of ideas—a concept championed by the psychologist David Hartley—to shape his pedagogical philosophy and practical teaching methods.1

By applying this doctrine, Priestley moved away from rigid, traditional instruction toward methods grounded in the lived experiences of his students. His approach was designed to prepare pupils for a "civil and active life," emphasizing the following:1

• Practicality: He tailored his teaching techniques to be relevant to the students' real-world experiences, ensuring that education served a functional purpose in their lives.1
• Language and Logic: He based his understanding of the correct use of language on the customary association of ideas, which informed his work on universal grammar and theory of language.1
• Human Development: Priestley believed that because human knowledge and character are formed through the association of experiences, individuals are capable of perfectibility. This belief supported his advocacy for education as a means to foster human progress and societal improvement.1

Through these methods, Priestley sought to align education with a rational, deterministic view of the world, prioritizing individual welfare and practical utility.1