EPID 2670

Before and After Study Designs in Injury Research

EPI 2670


Lecture Slides (powerpoint)


Print Slides (pdf file)





  Thomas Songer,PhD


Lecture Description:

  This lecture is designed to review and discuss the before and after study design and its application in injury research.

  On completion of the lecture, readers will be able to:

  • Identify the role of before and after studies in injury research
  • Identify strengths and weaknesses of before and after studies
  • Understand the role of temporal change and regression to the mean on thre results of before and after studies

This lecture was last modified on 29 May 2008

For further information about the course, please contact Thomas Songer at tjs@pitt.edu

Thomas Songer, PhD
Dept. of Epidemiology
Graduate School of Public Health
University of Pittsburgh
Pittsburgh, PA 15261, USA