Respuesta :
This example best illustrates the concept of an experiment, which is used to gather observational data in a controlled environment, with the aim of seeking conclusions on a matter of interest.
Experiments are the basis of scientific research. They are used to validate or reject hypothesis and to prove the existence of casuality relations between variables.
A snack manufacturer finds that it must increase the salt content of its chips by 8% in order for a sample of consumers to notice that the chips are saltier than they were before. This example best illustrates the concept of an experiment.