Lee Cronbach

Lee Cronbach was a psychologist known for his work in educational testing and measurement. He developed important ideas about how to evaluate the reliability of assessments, ensuring that test results are consistent and dependable over time. One of his most famous contributions is the concept of Cronbach’s Alpha, a statistical tool used to measure the internal consistency of a test, indicating how well the test items work together to assess a single concept. His work helps ensure that tests and surveys produce trustworthy results in research and education.