Determine whether the given description corresponds to an observational study or an experiment. In a study of 368 children with a particular disease, the subjects were asked to complete a survey about their diet upon arrival to a hospital. Does the given description correspond to an observational study or an experiment? OA. The given description corresponds to an observational study. OB. The given description corresponds to an experiment. OC. The given description does not provide enough information to answer this question.