A study is commissioned to determine whether or not getting the flu shot actually reduces the chances of a person between the ages of 60 and 7- of getting the flu. The study is funded by . pharmaceuticalmpany One thousand participants between the ages o U and . . agree to partici, ate in t e study. The participants are random'y divided into two groups ~JU of the purtci ants receive the lu snot and 500 of the participants receive u placeac treat:::ent (a fu.Ux flu shot per se) Partici, ants do not know whet er or not they are actually recei ing the flu shot I he participants are monitored for lu-like sympto.. Is during the flu season (from October to April, At the end of the study researchers co...pare the number of 60 75 year-olds that got the flu shot and ended up coming down with the lu to the number o. ..0 5 year olds that did not get the ilu shot and got the flu