Question

12. A medical researcher is interested in testing a new medicine for migraine headaches. She selects an SRS of 100 adults who get migraines at a rate of one or more per week. Half of the selected adults will receive the new medicine while half will receive a placebo. The researcher will compare all results

For questions 10–12, determine if the study is an experiment or an observational study. Give a reason for your answer.

Answer 1

When the study is such that it was observed in its natural phenomenon it is said to be observational. If the data is collected in a controlled environment but not in the natural environment then it is said to be an experimental study.

A medical researcher is interested in testing a new medicine for migraine headaches.

50 selected adults are given new medicine.

This is an experiment because treatment is being given.

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