Use the following information to answer the question. These two headlines are on the same topic.
Headline A: Gaining weight after giving birth for the first time leads to pregnancy- related diabetes during second pregnancy, a new study finds.
Headline B: Women who gain weight after giving birth for the first time dramatically increase their risk of developing pregnancy- related diabetes during their second pregnancy, a new study suggests.
-Was the study referenced most likely a controlled experiment or an observational study?
A)Controlled experiment
B)Observational study

Question

Quizplus · Accepted Answer

The study was most likely an observational study because it observes and analyzes existing conditions or behaviors (weight gain and diabetes risk) without manipulating any variables or assigning treatments.

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