Question 13 · LDEK · EBM
Since 1879 when an antiseptic agent called Listerine was developed it has been recommended for wound decontamination, gargling, halitosis, dandruff, athlete’s foot and currently mouth rinsing. There are reports suggesting that Listerine should help decrease the risk of pharyngitis caused by Neisseria gonorrhoeae. Which of the following study could provide the most convincing proofs to confirm such suggestions?
- A. in vitro.
- B. case-control.
- C. cohort.
- D. analytical.
- E. experimental.
Hint
The strongest evidence that an intervention works comes from a design in which the investigator assigns it, ideally at random.
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