If playback doesn't begin shortly, try restarting your device.
•
You're signed out
Videos you watch may be added to the TV's watch history and influence TV recommendations. To avoid this, cancel and sign in to YouTube on your computer.
CancelConfirm
Share
An error occurred while retrieving sharing information. Please try again later.
289,283 views • Aug 6, 2019 • ✪ Members first on July 3, 2019 • #Statistics #DrNicStats
Show less
Good questions are necessary to get good data. There are many things to take into account when writing survey questions to avoid non-sampling error and bias. Dr Nic and Helen work on a questionnaire about chocolate, with a checklist.
To find out how to develop a questionnaire, see the video • Designing a Questionnaire or Survey -... #DrNicStats#Statistics…...more
Good questions are necessary to get good data. There are many things to take into account when writing survey questions to avoid non-sampling error and bias. Dr Nic and Helen work on a questionnaire about chocolate, with a checklist.
To find out how to develop a questionnaire, see the video • Designing a Questionnaire or Survey -... #DrNicStats#Statistics…...more