For the following research questions decide if they are bestinvestigated by usin

Question

For the following research questions decide if they are bestinvestigated by using observational studies or experiments. 1.Does aspirin really help deter heart attacks? 2.Does smoking cause cancer? 3.Do people who eat apples every day have healthierteeth? 4.Do soccer injuries lead to arthritis? 5.Are silver cars safer to drive? For the following research questions decide if they are bestinvestigated by using observational studies or experiments. 1.Does aspirin really help deter heart attacks? 2.Does smoking cause cancer? 3.Do people who eat apples every day have healthierteeth? 4.Do soccer injuries lead to arthritis? 5.Are silver cars safer to drive?

Explanation / Answer

1) It must be an experiment 2) Observational studies 3) Observational studies 4) Observational studies 5) Observational studies

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