Politics, elections and piffle plinking

Pollytrack October

This week’s Pollytrack has a new Newspoll and EMC poll to throw into the mix, and the results show a continuation of Coalition decline, with Truffles taking them back to the polling position they enjoyed not only two weeks before the Turnbull ascension, but to the same position they had in June.

First up, the usual charts and data.

The ALP primary vote has had some pretty solid growth in October, mostly at the expense of the Greens and with that pattern showing up across all pollsters to varying degrees.

If we take a look at our All Pollster LOESS regression series for the primary and TPP votes, something worth noting is the dramatic increase in polling variation for both the ALP and the Coalition over the last 3 weeks.

The financial crisis fallout is certainly playing havoc with the pollster numbers. It will be interesting to see if this variation is simply the consequence of uncertainty hanging around in voter’s minds or whether it’s the beginning of some kind of larger change in political support levels like what happened between April and June. I’m leaning a bit more toward the latter than the former. It comes back to Truffles (as most things that Turnbull is involved in tend to do) – if we look at the Turnbull bounce by running a local regression through our all pollster series since August, it all looks pretty flat:

The Nielsen poll on the 19th September that gave the Coalition a primary of 42 for a TPP of 48 has never come close to being repeated, and it was really that poll that enhanced the perceptions of a leadership bounce. Yet in reality, even though all the polls moved to the Coalition, it was by far smaller amounts than that Nielsen – 1 to 2 points, which have not only been wiped off as new polls came in, but where the trend has started to move substantially back toward Labor.

Leadership changes can be a circuit breaker, but the only circuit Turnbull has broken was the long term polling trend that was running slowly back towards the Coalition.

Nice work Malcolm!

But to be fair, the Coalition itself hasn’t exactly offered anything better than the tired old positions they were kicked out for last year – without the Coalition changing its policy spots, having a new head was hardly going to lead them back to public popularity.

The next time the Coalition embarks on one of their listening tours, it might be a good idea if it didn’t start at the Op-Ed pages of the The Oz and end at the moonbat wing of the Murdoch tabloids.

UPDATE:

All the time series polling data has now been updated, including EMC, Nielsen and Newspoll satisfaction ratings, primary and TPP vote estimates (now with Essential Report going back to January) and Preferred PM figures over at the Chart Dump page

10 Comments

  1. 1
    Ad astra
    Posted October 29, 2008 at 8:04 pm | Permalink

    September 22 will go down in history as ‘The Turnbull Blip’. ‘Bounce’ is not apt; bounces are usually of longer duration. The problem seems to be that while he believes his own rhetoric, the public don’t.

  2. 2
    Harry "Snapper" Organs
    Posted October 29, 2008 at 10:02 pm | Permalink

    This is turning out to be a most interesting way of analysing the polling data, wee marsupial. The more I’m following what you’re doing, the more I can understand it. Well, I think.

  3. 3
    Cuppa
    Posted October 30, 2008 at 8:19 am | Permalink

    Hey Poss,

    Not sure whether I should put the following into Requestathon; I think I missed that boat … Some are saying they don’t put much faith in Essential’s findings, being as it is an online poll (self-selected respondents). How would the Pollytrack look with EMR’s figures excluded? And the Turnbull alleged “bounce”; would that have been more pronounced with Essential’s data (which does seem to favour Labor) excluded?

    Having asked that, I also acknowledge that the bigger the aggregate sample size the more accurate, so having EMR’s figures included might just enhance the accuracy, rather than detract from it, yes? (Sorry, don’t know the terminology to explain it very well.)

    Signed,

    Confused.

  4. 4
    Posted October 30, 2008 at 12:20 pm | Permalink

    Cuppa,

    The Essential polls aren’t online polls of the type they’re often accused of. What they have is a thing called an online panel where respondents are recruited via offline means (like by phone and mail) to participate in surveys that are then delivered online.

    So every week, some large number of people are randomly selected from that online panel and are given an online survey to fill out. The results are then weighted by age and whatnot and become the poll results that we see.

    But you have raised a good point about so called “house effects”, which I’ll start writing something on straight away.

  5. 5
    ltep
    Posted October 30, 2008 at 1:16 pm | Permalink

    How much of this can be put down to the dubious Essential Research polls?

  6. 6
    Posted October 30, 2008 at 1:30 pm | Permalink

    Why are EMC polls dubious?

  7. 7
    ltep
    Posted October 30, 2008 at 1:52 pm | Permalink

    They haven’t been around long enough for their varacity to have been tested. That combined with its online format, which at least has the potential to skew results, makes the level that we can rely upon its accuracy dubious.

    I’m aware they were around prior to the last election, what result did they have closest to the election?

  8. 8
    Posted October 30, 2008 at 1:58 pm | Permalink

    Being the new kid on the block is a bit weak. The online panel approach has as much potential to skew results as does a phone poll format or a face to face format. The question isnt the potential, it’s whether the company has adjusted for it’s unique problems in the same way that phone pollsters have to adjust for problems unique to phone polling.

    I think they ran exit polls at the last election for Sky News which turned out to be pretty good – I’ll try to find out.

  9. 9
    ltep
    Posted October 30, 2008 at 4:53 pm | Permalink

    Yes but how we view the veracity of pollsters must surely come from a number of sources, one being by looking at how close they have gone using the same methodology in previous elections, another being whether their polling technique may have in-built flaws which are tough to ‘model out’ of the equation. Using only the internet to poll would easily have the effects that it would skew the results for older people, the people with less money, away from rural areas etc. As you say they’d attempt to build there model to take these factors into account, but without having some solid result to back it up with you can’t know whether their modelling is particularly accurate. I’m willing to accept ‘online panel approaches’ as soon as I’m shown data which indicates that they are reasonably accurate. The fact that ERM seems to always have the ALP 2PP much higher than the other companies leads me to believe there quite possibly is a flaw in their sampling and adjustment models.

    That’s what leads me to question whether including the ERM polls skews the results of ‘research’ like this towards the ALP. If ERM get in the ballpark at the next election I’d have no problems with it at all.

    I’d like to see an explanation from ACN as to why their polls was so far out at the last election and what they’re doing to resolve the issue.

  10. 10
    Posted October 30, 2008 at 5:13 pm | Permalink

    Fair enough. The Nielsen thing last year was all about the timing – they started surveying for their final poll before the movement to the Coalition occurred on the Tuesday/Wednesday/Thursday period of the final week of the campaign.

    That might be worth doing an article about actually.

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