Use the Following Information for Following Questions

Essay

Use the following information for following questions:. These two headlines are on the same topic.
Headline A: Children who view advertisements for fast food dramatically increase their risk of becoming
obese adolescents, a new study suggests.
Headline B: Viewing advertisements for fast food leads to childhood obesity, a new study finds.
-Was the study referenced most likely a controlled experiment or an observational study? Explain.