TeachEpi
  • COURSES
  • TEACHING RESOURCES
  • FOR MENTORS
  • FOR STUDENTS
  • TEACHING AWARDS
  • LINKS
  • CONTACT

THE B-FILES (BIAS CASE STUDIES)

Case studies of bias in real life epidemiologic studies
By: Madhukar Pai & Jay S. Kaufman

Bias File 1. The Rise and Fall of Hormone Replacement Therapy
Bias File 2. Should we stop drinking coffee? The story of coffee and pancreatic cancer
Bias File 3. Émile Durkheim and the ecological fallacy
Bias File 4. The early controversy over estrogen and endometrial cancer
Bias File 5. How blind are the blind? The story of Vitamin C for common cold
Bias File 6. Double whammy: recall and selection bias in case-control studies of congenital malformations
Bias File 7. Confounding by indication: a most stubborn bias?
Bias File 8. Don’t call my number, anymore! Bias in surveys of sexual behavior
Bias File 9. Circumcision and HIV

All the resources in this website can be freely used for educational purposes with due credit.

Prof Madhukar Pai, MD, PhD, FRSC
Inaugural Chair, Department of Global & Public Health
Canada Research Chair in Epidemiology & Global Health

© 2026 TeachEpi - WordPress Theme by Kadence WP