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." (a) this is an because the researchers the individuals (b) what is a major problem with the study? a. the sample is not very large. 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 results apply only to internet users.