Is an online poll asking the preferred mobile phone type used by school children an observational study or experimental
Posted: Mon Jul 11, 2022 11:37 am
Is an online poll asking the preferred mobile phone type used byschool children an observational study or experimental study? If itis an experiment, what is the controlled factor?
1-The study is an experiment. The controlled factor is thestudents.
2- The study is an observational study.
3-The study is an experiment. The controlled factor is the typeof mobile phone.
4-The study is an experiment. The controlled factor is theonline poll.
1-The study is an experiment. The controlled factor is thestudents.
2- The study is an observational study.
3-The study is an experiment. The controlled factor is the typeof mobile phone.
4-The study is an experiment. The controlled factor is theonline poll.