Opinion Polls in a Nutshell - for iPod/iPhone
8 episodes - English - Latest episode: about 9 years ago -Ever wondered how opinion polls work? As election fever grows - so does the importance of opinion polls which today are an essential part of modern political life. Political strategists, voters and the media all lap up the data generated - but where does it come from? How many people do you need to interview to get trustworthy data? and just how easy is it to predict the future based on the opinions of the present?
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Episodes
Opinion Polls in a Nutshell
April 13, 2015 09:59 - 5 minutes - 20.6 MB VideoEver wondered how opinion polls work? As election fever grows - so does the importance of opinion polls which today are an essential part of modern political life. Political strategists, voters and the media all lap up the data generated - but where does it come from? How many people do you need to interview to get trustworthy data? and just how easy is it to predict the future based on the opinions of the present?
Transcript -- Opinion Polls in a Nutshell
April 13, 2015 09:59 - 25.8 KB application/pdfTranscript -- Ever wondered how opinion polls work? As election fever grows - so does the importance of opinion polls which today are an essential part of modern political life. Political strategists, voters and the media all lap up the data generated - but where does it come from? How many people do you need to interview to get trustworthy data? and just how easy is it to predict the future based on the opinions of the present?
Polls and predictions
April 09, 2015 14:00 - 1 minute - 6.06 MB VideoHow do opinion polls actually predict whose going to win an election? Learn how the UK electoral system makes predicting elections especially difficult.
What's the point of Exit Polls?
April 09, 2015 14:00 - 1 minute - 7.14 MB VideoSelf explanatory as it seems, there's more to Exit Polls than the name suggests. Learn what makes them a valuable tool for voters, politicians and the media alike. Said to be so accurate and influential they can predict future results and even help to avoid fraud.
Transcript -- Polls and predictions
April 09, 2015 14:00 - 18.9 KB application/pdfTranscript -- How do opinion polls actually predict whose going to win an election? Learn how the UK electoral system makes predicting elections especially difficult.
Who needs a poll?
April 09, 2015 14:00 - 2 minutes - 8.51 MB VideoWho carried out the first opinion poll and why are they so popular? This light-hearted and revealing clip examines the real purpose of polling voters and how you ensure the accuracy of a sample...
Transcript -- What's the point of Exit Polls?
April 09, 2015 14:00 - 19.1 KB application/pdfTranscript -- Self explanatory as it seems, there's more to Exit Polls than the name suggests. Learn what makes them a valuable tool for voters, politicians and the media alike. Said to be so accurate and influential they can predict future results and even help to avoid fraud.
Transcript -- Who needs a poll?
April 09, 2015 13:59 - 20.8 KB application/pdfTranscript -- Who carried out the first opinion poll and why are they so popular? This light-hearted and revealing clip examines the real purpose of polling voters and how you ensure the accuracy of a sample...