Talking Teaching

John Hattie on 50 Years of Evidence, Impact and Belonging

Aug 31, 2025
Join Laureate Professor Emeritus John Hattie, a world-renowned measurement expert and author of Visible Learning, as he shares insights from five decades of educational research. He discusses the true measures of educational success beyond test scores, emphasizing belonging and engagement. Hattie reflects on his journey from statistics to meta-analysis, the importance of teacher expertise, and the transformative potential of AI in classrooms. He also explores the balance between curriculum depth and student challenge, advocating for a thoughtful approach to teaching.
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INSIGHT

From What Works To What Works Best

  • Hattie shifted the question from "what works" to "what works best" using meta-analysis to compare effects across studies.
  • He aimed to identify moderators explaining when, for whom and under what conditions interventions succeed.
INSIGHT

Look Beyond The League Table

  • Hattie warns against reading a simple league table of effect sizes without understanding underlying patterns and implementation fidelity.
  • He emphasizes probabilities and context-specific implementation over ranking interventions.
ADVICE

Measure Broader Impact

  • Consider impact beyond test scores, including belonging, retention and lifelong outcomes tied to years of schooling.
  • Frame school goals to attract and retain learners, not only as selection mechanisms for tertiary education.
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