Identify the study as an observational study or a designed experiment.
-An examination of the medical records of 10, 000 women showed that those who were short and fair skinned had a higher risk of osteoperosis.
A)Designed experiment
B)Observational study

Question

Identify the study as an observational study or a designed experiment.
-An examination of the medical records of 10, 000 women showed that those who were short and fair skinned had a higher risk of osteoperosis. 
A)Designed experiment
B)Observational study

Quizplus · Accepted Answer

This is an observational study because it examines existing data (medical records) and observes associations between variables (height, skin color, and osteoporosis risk) without manipulating any variables.

Identify the Study as an Observational Study or a Designed