Showing posts with label polling history. Show all posts
Showing posts with label polling history. Show all posts

Wednesday, May 18, 2022

Rolling National Poll Roundup: 2022 Final Days

2PP Aggregate: 53.5 to Labor (-0.6 since last week) (not a prediction)
Cross-poll average of polls released in last week: 53.0 to Labor 
(Weighted for time only, no house effects or quality weightings)
If the normal range of polling to result relationships applies, Labor remains very likely to win, probably outright
Historically, Labor has underperformed when it has leads in final week polling

This article covers national polling since the update from mid last week and House of Reps federal polls will continue to be added until a final roundup which I intend to post overnight on Friday following the final Newspoll.  The aggregates and averages in the heading will be updated as new national polls come out. (Ipsos is expected, I am not sure if there will be another Morgan, while the Resolve was described as "final" by Latika Bourke.)  I aim to issue a seat polling and seat betting roundup tomorrow, and Senate polling will soon be updated on my Senate prospects page. 

In the last two days three polls have pointed to some narrowing in Labor's lead, but all this has done so far is put Labor back in about the same position as it was in after the gaffe-ridden opening week and a half, reversing minor gains since.  All four polls out this week have shown smaller leads for Labor than their previous offerings, but only in the case of Resolve is the change substantial, and Resolve is hard to take completely seriously on account of its forced-choice methods and overly high Green vote.  

Tuesday, May 28, 2019

Oh No, This Wasn't Just An "Average Polling Error"

As previously noted, Australian opinion polling has just experienced its first clear predictive failure, in pick-the-winner terms, in a federal election since 1980.  Every campaign poll by four different pollsters (one of them polling under two different brands) had the Labor Opposition ahead of the Liberal-National Coalition (as it had been for the entire term), and yet the Coalition has won an outright majority.  Moreover, polls in the final weeks were extremely clustered, with 17 consecutive polls (plus an exit poll) landing in the 51% to 52% two-party preferred range after rounding, a result that is vanishingly unlikely by chance.  No pollster has yet made any remotely useful contribution to explaining this clustering - those who have even commented have generally said they didn't do it and it must have been somebody else.

The general reaction has been dismay at this unusual level of pollster error in a nation where national polls have a proud record of accuracy.  The Ninefax press, as I call them (SMH/The Age), have even announced that they now have no contract with their pollster, Ipsos, or with any other pollster.  (This may just be for show, since in the past Fairfax often took long breaks in polling after elections.)  News Corp is, for now, standing by Newspoll.  The Association of Market and Social Research Associations has announced a review, although this may be of little value as its only member who is involved is Ipsos.