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Queensland Election result shows the importance of

getting the interview methodologies right for an accurate polling prediction


Finding No. 4367 - Queensland Election Results show the importance of getting the interview methodologies.: March 23, 2009

To all,

As with so many recent elections Galaxy and Newspoll have not always been as accurate as they claim.

There are two reasons:

1. Their estimate of the vote for each party has been out a lot — both were very wrong in their estimate of the Brisbane vote for each party (check it yourself), and

2. It is for this reason that they both wrongly said the Queensland election would be close — it was never going to be close — the ALP fooled the media ‘sheep’, as they do so often. Peter Brent is ‘right’ - both the final week surveys indicated huge swings to the LNP in and around Brisbane and modest ones (in aggregate) elsewhere in the State - unfortunately their Brisbane results were very WRONG!

Regards,

Gary Morgan


QUEENSLAND VOTING INTENTION - Primary Vote Predictions

 

Mar 21

Mar 18/19

Mar 17/18

 

2009

Telephone

Telephone

 

Queensland election

Newspoll

Galaxy

 

result*

%

error

%

error

     

 

 

 

Sample Size

 

(1,328)

 

(800)

 

     

 

 

 

LNP

41.5

42.1

+0.6

43

+1.5

     

 

 

 

ALP

42.6

41.7

-0.9

40

-2.6

     

 

 

 

The Greens

8.0

7.4

-0.6

9

+1.0

     

 

 

 

Family First

0.8

0.5

-0.3

na

na

     

 

 

 

Ind/Other

7.1

8.3

+1.2

8*

+0.1

 

 

 

 

 

 

Av. error on major parties (LNP, ALP)

 

 

0.75

 

2.05

Av. error on 5/4 largest ‘parties’

 

 

0.7

 

1.3

 

BRISBANE VOTING INTENTION - Primary Vote Predictions

 

Mar 21

Mar 18/19

Mar 17/18

 

2009

Telephone

Telephone

 

Queensland election

Newspoll

Galaxy

 

result*

%

error

%

error

     

 

 

 

LNP

37.6

40.1

+2.5

41

+3.4

     

 

 

 

ALP

48.2

42.5

-5.7

43

-5.2

     

 

 

 

The Greens

10.1

8.6

-1.5

na

na

     

 

 

 

Ind/Other

4.1

8.8

+4.7

16#

+1.8

 

 

 

 

 

 

Av. error on major parties (LNP, ALP)

 

 

4.1

 

4.8

Av. error on 4/3 largest ‘parties’

 

 

3.6

 

3.5


REST OF QUEENSLAND VOTING INTENTION - Primary Vote Predictions

 

Mar 21

Mar 18/19

Mar 17/18

 

2009

Telephone

Telephone

 

Queensland election

Newspoll

Galaxy

 

result*

%

error

%

error

     

 

 

 

LNP

44.2

43.9

-0.3

44

-0.2

     

 

 

 

ALP

38.8

40.9

+2.1

38

-0.8

     

 

 

 

The Greens

6.7

6.4

-0.3

na

na

     

 

 

 

Ind/Other

10.3

8.8

-1.5

18#

+1

 

 

 

 

 

 

Av. error on major parties (LNP, ALP)

 

 

1.2

 

0.5

Av. error on 4/3 largest ‘parties’

 

 

1.1

 

0.7

 

Election Commission of Queensland (http://virtualtallyroom.ecq.qld.gov.au/elections/state/state2009/results/summary.html);

at 4pm, 24/03/2009.

*Galaxy Ind/Others includes Family First vote.

# Galaxy Ind/Others for Brisbane & Rest of Queensland includes Greens vote.

 

For further information:

Gary Morgan:          Office +61 3 9224 5213   Mobile +61 411 129 094

 


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