Print Slides (pdf file)
Instructor:
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