Determine whether the study is an experiment or an observational​ study, and then identify a major problem with the study. In a​ survey, 1465 Internet users chose to respond to this question posted on a​ newspaper's electronic​ edition: "Is news online as satisfying as print and TV​ news?" 52% of the respondents said​ "yes." This is an observational study because the researchers do not attempt to modify the individuals. What is a major problem with the​ study? A. The results apply only to Internet users. B. This is a convenience sample with voluntary​ response, which has a high chance of leading to bias. C. There is no blinding or​ replication, which has a high chance of leading to bias. D. The sample is not very large.