U.S. Department of Education: Promoting Educational Excellence for all Americans

A r c h i v e d  I n f o r m a t i o n

Evidence-Based Education (EBE)

Student Achievement and School Accountability Conference
October 2002

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Quality: Levels of evidence

All evidence is NOT created equal

  1. Randomized trial (true experiment)
  2. Comparison groups (quasi-experiment)
  3. Pre-Post comparison
  4. Correlational studies
  5. Case studies
  6. Anecdotes