(Steps Shown) In 1940,2000 women working in a factory were recruited into a study. Half of the women worked in manufacturing and half in administrative offices.
Question: In 1940,2000 women working in a factory were recruited into a study. Half of the women worked in manufacturing and half in administrative offices. The incidence of bone cancer through 1970 among the 1000 women working in manufacturing was compared with that of the 1000 women working in administrative offices. Thirty of the women in manufacturing developed bone cancer as compared to 9 of the women in administrative offices. This study is an example of a
- randomized controlled trial
- case-control study
- cohort study
- crossover trial
Deliverable: Word Document 