Is the study experimental or observational
-Researchers at a medical school want to compare the rates of birth defects in babies born to mothers whose diets are classified as low fat with those born to mothers whose diets are high in fat. For one year, they collect data on all babies and their mothers in area hospitals, using information obtained from the mothers to determine whether they fall in the low fat or high fat diet category.
A) Observational
B) Experimental

Question

Quizplus · Accepted Answer

The study is observational because the researchers are not manipulating any variables or assigning mothers to specific diet groups; they are simply observing and collecting data based on existing conditions.

Is the Study Experimental or Observational