The Regression Effect

  • Richard L. Scheaffer
  • Ann Watkins
  • Mrudulla Gnanadesikan
  • Jeffrey A. Witmer
Part of the Textbooks in mathematical sciences book series (TIMS)


Amathematics supervisor in a large U.S. city got a grant to improve mathematics education. She tested all students and placed those with the lowest achievement scores in a special program. After a year, she retested them and was gratified to see that the students in the special program improved in comparison with the rest of the students.


Regression Effect Average Height Vertical Strip Dollar Bill Remedial Program 


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  1. 1.
    David Freedman et al. (1991), Statistics, second ed., New York: Norton, pp. 159–165.Google Scholar
  2. 2.
    Ann E. Watkins (1986), “The regression effect; or, I always thought that the rich get richer…,” The Mathematics Teacher, 79: 644–647.Google Scholar

Copyright information

© Springer Science+Business Media New York 1996

Authors and Affiliations

  • Richard L. Scheaffer
    • 1
  • Ann Watkins
    • 2
  • Mrudulla Gnanadesikan
    • 3
  • Jeffrey A. Witmer
    • 4
  1. 1.University of FloridaUSA
  2. 2.California State UniversityNorthridgeUSA
  3. 3.Fairleigh Dickinson UniversityUSA
  4. 4.Oberlin CollegeUSA

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