Identify the study as an observational study or a designed experiment.
-At one hospital in 1992, 674 women were diagnosed with breast cancer. Five years later, 88% of the Caucasian women and 83% of the African American women were still alive.
A)Designed experiment
B)Observational study

Question

Identify the study as an observational study or a designed experiment.
-At one hospital in 1992, 674 women were diagnosed with breast cancer. Five years later, 88% of the Caucasian women and 83% of the African American women were still alive. 
A)Designed experiment
B)Observational study

Quizplus · Accepted Answer

This is an observational study because it involves collecting data without imposing any treatments or conditions on the subjects. The researchers simply observed and recorded the survival rates of women diagnosed with breast cancer, without manipulating any variables.

Identify the Study as an Observational Study or a Designed