Identify the following as an experiment or an observational study.
-At one hospital in 2005, 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) Observational study
B) Experiment

Question

Quizplus · Accepted Answer

This is an observational study because it involves collecting data without influencing the outcomes. The researchers did not manipulate any variables; they simply observed and recorded the survival rates of women diagnosed with breast cancer.

Identify the Following as an Experiment or an Observational Study