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    Do Opinion Polls Influence Voters?

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    3. Do Opinion Polls Influence Voters?
    • Posted on 12th May 201510th May 2018
    • /
    • Posted in Election Opinion Polls, Market Research
    By - Neal Cole

    Do Opinion Polls Influence Voters?

    2015 UK General Election Opinion Poll Results during campaign

    The Impact of Opinion Polls:

    During the run up to the 2015 UK General Election the opinion polls were consistently wrong  and led many people to believe there would be a hung parliament.  The polls in 2015 underestimated support for the Conservative Party as research companies failed to allow for the greater difficulty in sampling such voters who are generally busier than Labour voters.

    Some commentators even suggest that David Cameron only agreed to include a promise to hold a EU referendum on the basis that it would be blocked by his coalition partners as he did not expect the Conservative Party to win an overall majority. This raises the questions of whether opinion polls could also have unwittingly influenced the final result. The media often argue that they only reflect society, but in this case they may have been communicating a warped and inaccurate view of public opinion.

    The role of mass media?

    There is widespread agreement that the mass media in general can influence peoples’ knowledge, attitudes and behaviour. What is debatable is the degree to which this occurs and whether opinion polls in particular can drive changes in voting patterns.

    The evidence from research into the impact of opinion polls is somewhat mixed, probably because of the nature of the subject and a reliance on self-reporting. However, a study into the 1998 Canadian election concluded that there was evidence that polls affected voters’ perceptions of the chances of different parties winning and they did influence voter behaviour. The latter was primarily the result of tactical voting where people switched their support away from a party that appeared to have little chance of winning  and towards a party with a better outlook.

    Facebook comments double after exit poll result:  

    The mass media also feeds into our social networks and there is indisputable evidence to show that social networks influence our behaviour as we are very social creatures. Our herd behaviour is at the heart of the dispersion of ideas and behavioural change.

    Herd theory suggests we are more heavily influenced by the actions of others in our network, and we like to be associated with the same values and norms as our social networks.  As a result word of mouth  can be very influential as we are often driven by what we think other people in our social networks are doing or saying.

    After the shock exit poll results were announced comments about the election on Facebook doubled confirming that polls are certainly a talking point. Opinion polls may form another piece of the jigsaw to help us determine what our wider network are intending to do.

    Does the accuracy of information matter?

     

    People often prefer to follow their gut instinct rather than listen to data, so maybe it does not matter?  But people also hate uncertainty and suppress ambiguity because it slows our thought processes. The concern is that we are heavily influenced by the What You See Is All There Is (WYSIATI) rule and during the campaign the polls consistently told the same story.

    There was also a great deal of uncertainty as the Conservative’s played on fear that Labour would have to form a coalition with the SNP to form a Government. If people had known the Conservatives were heading for a slim majority then this would have become a non-story.

    In his book The Wisdom of the Crowd, James Surowiecki examined among other things how stock market bubbles arise. He noted that:

    “The problem of putting too much information on a single piece of information is compounded when everyone in the market is getting that information.” James Surowiecki, The Wisdom of Crowds

    He outlined experiments with students conducted by Jack Treynor where they were asked to estimate a quantity of items. In one experiment all participants were given additional information that pointed in one direction. Although the information was true, adding the additional guidance reduced their collective wisdom and meant their average guess was off by 15% compared with just 3% achieved in experiments where no extra information was given to participants.

    Conclusion:

    The experiment by Jack Treynor could partly explain why the ‘wisdom poll’ conducted by ICM put the Conservative’s ahead of Labour, but still underestimated the magnitude of their lead. Overall, it seems clear that widely publicised and inaccurate information can pskew our personal forecasts of an outcome. This in turn may inevitably change the behaviour of some voters –  whether it be the decision to vote or the party they ultimately voted for.

    Given the evidence that opinion polls do influence voter behaviour there is a strong case to ban polls during the run up to the election. However, some might argue that polls assist people  in tactical voting and that this may help prevent a party gaining a landslide victory that they might use to abuse once in power.

    Thank you for reading my post.

    You can view my full Digital Marketing and Optimization Toolbox here.

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    • About the author:  Neal provides digital marketing optimisation consultancy services and has worked for  brands such as Deezer.com, Foxybingo.com, Very.co.uk, partypoker.com and Bgo.com. He uses a variety of techniques, including web analytics, personas, customer journey analysis and customer feedback to improve a website’s conversion rate.
    • Neal has had articles published on website optimisation on CXL and  Usabilla.com. As an ex-market research and insight manager he also had posts published  on the GreenBook Blog research website.  If you wish to contact us send an email to info@conversion-uplift.co.uk. You can follow us on Twitter @conversionupl, see Neal’s LinkedIn profile or connect on Facebook.
    Tagged : Blog, polls mrx politics media politics herd psychology social-networks Behavioiur marketing word-of-mouth wom social-learning crowd

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