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 Post subject: Standardised Scoring
PostPosted: Wed Oct 18, 2017 7:54 am 
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Joined: Wed Mar 02, 2011 11:26 am
Posts: 8
Does anyone know the formulae used to work out the scoring? How does the fact that 6000+ children sat the exam effect that formulae? How accurate is the traffic light advisory system?
Daughter did really well and is on the high end of orange. March seems ages away!


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 Post subject: Re: Standardised Scoring
PostPosted: Wed Oct 18, 2017 8:27 am 
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Joined: Wed Jan 18, 2012 12:41 pm
Posts: 10561
Location: Essex
sar wrote:
Does anyone know the formulae used to work out the scoring? How does the fact that 6000+ children sat the exam effect that formulae? How accurate is the traffic light advisory system?
Daughter did really well and is on the high end of orange. March seems ages away!


The formula is here, in Billericay_Dad's post:
https://www.elevenplusexams.co.uk/forum/11plus/viewtopic.php?f=15&t=52507&start=10#p641674

Standardised score for subject = (((Raw Score - Mean) / SD ) * 15 ) + 100

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 Post subject: Re: Standardised Scoring
PostPosted: Wed Oct 18, 2017 8:48 am 
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Joined: Sat Dec 06, 2008 2:41 pm
Posts: 156
ToadMum wrote:
sar wrote:
Does anyone know the formulae used to work out the scoring? How does the fact that 6000+ children sat the exam effect that formulae? How accurate is the traffic light advisory system?
Daughter did really well and is on the high end of orange. March seems ages away!


The formula is here, in Billericay_Dad's post:
https://www.elevenplusexams.co.uk/forum/11plus/viewtopic.php?f=15&t=52507&start=10#p641674

Standardised score for subject = (((Raw Score - Mean) / SD ) * 15 ) + 100



That was last year's formula. It is helpful to understand that this year's scores superimposed on last year's standardisation would normally result in higher marks.


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 Post subject: Re: Standardised Scoring
PostPosted: Wed Oct 18, 2017 10:23 am 
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Joined: Mon Sep 25, 2017 12:22 pm
Posts: 19
Using this year's data:

English Standardised Score = (((Raw Score - 40.3) / 8.7 ) * 15 ) + 100 = E
Maths Standardised Score = (((Raw Score - 32.5) / 11.2) * 15 ) + 100 = M

Overall Standardised Score = 1.5 (E + M)

Note: The Mean and SD have only been given 1 decimal place so won't give the full level of accuracy.


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 Post subject: Re: Standardised Scoring
PostPosted: Wed Oct 18, 2017 11:43 am 
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Joined: Tue Oct 17, 2017 2:22 pm
Posts: 35
leighmum wrote:
Using this year's data:

English Standardised Score = (((Raw Score - 40.3) / 8.7 ) * 15 ) + 100 = E
Maths Standardised Score = (((Raw Score - 32.5) / 11.2) * 15 ) + 100 = M

Overall Standardised Score = 1.5 (E + M)

Note: The Mean and SD have only been given 1 decimal place so won't give the full level of accuracy.


Perfect !!!

I have used this formula to compare with actual results of the shared scores in this forum :

Raw Score SS *SS Eng *SS Maths *SS *Difference
E M
48 34 323.05 113.2758621 102.0089286 322.93 0.12
44 42 328.75 106.3793103 112.7232143 328.65 0.1
47 47 346.55 111.5517241 119.4196429 346.46 0.09
44 52 348.85 106.3793103 126.1160714 348.74 0.11
48 47 349.14 113.2758621 119.4196429 349.04 0.1
51 46 354.9 118.4482759 118.0803571 354.79 0.11
48 50 355.16 113.2758621 123.4375 355.07 0.09
50 49 358.65 116.7241379 122.0982143 358.23 0.42
49 52 361.76 115 126.1160714 361.67 0.09
51 50 362.35 118.4482759 123.4375 362.83 -0.48
54 47 364.67 123.6206897 119.4196429 364.56 0.11
56 55 385.91 127.0689655 130.1339286 385.8 0.11
54 58 386.75 123.6206897 134.1517857 386.66 0.09

* Calculated as per the formula given above.

If someone wants me to add their scores to this list, I am more than happy to do this


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 Post subject: Re: Standardised Scoring
PostPosted: Wed Oct 18, 2017 1:43 pm 
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Joined: Wed Oct 18, 2017 1:27 pm
Posts: 5
Dealt with in the main thread, but the number of candidates has no effect whatsoever on the standardisation process.

However, if it translates into a higher number of applications, then the cut-off will be higher than that indicated in the traffic light sheet.


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 Post subject: Re: Standardised Scoring
PostPosted: Thu Oct 19, 2017 9:42 am 
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Joined: Sat Dec 06, 2008 2:41 pm
Posts: 156
The data also means that full marks for 2018 Entry (2017 exams) is around 406.193 etc (I used 60 for English and 60 for maths).

Lower than previous years.


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 Post subject: Re: Standardised Scoring
PostPosted: Thu Oct 19, 2017 10:40 am 
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Joined: Thu Oct 19, 2017 2:33 am
Posts: 6
proud_parent wrote:
leighmum wrote:
Using this year's data:

English Standardised Score = (((Raw Score - 40.3) / 8.7 ) * 15 ) + 100 = E
Maths Standardised Score = (((Raw Score - 32.5) / 11.2) * 15 ) + 100 = M

Overall Standardised Score = 1.5 (E + M)

Note: The Mean and SD have only been given 1 decimal place so won't give the full level of accuracy.


Perfect !!!

I have used this formula to compare with actual results of the shared scores in this forum :

Raw Score SS *SS Eng *SS Maths *SS *Difference
E M
48 34 323.05 113.2758621 102.0089286 322.93 0.12
44 42 328.75 106.3793103 112.7232143 328.65 0.1
47 47 346.55 111.5517241 119.4196429 346.46 0.09
44 52 348.85 106.3793103 126.1160714 348.74 0.11
48 47 349.14 113.2758621 119.4196429 349.04 0.1
51 46 354.9 118.4482759 118.0803571 354.79 0.11
48 50 355.16 113.2758621 123.4375 355.07 0.09
50 49 358.65 116.7241379 122.0982143 358.23 0.42
49 52 361.76 115 126.1160714 361.67 0.09
51 50 362.35 118.4482759 123.4375 362.83 -0.48
54 47 364.67 123.6206897 119.4196429 364.56 0.11
56 55 385.91 127.0689655 130.1339286 385.8 0.11
54 58 386.75 123.6206897 134.1517857 386.66 0.09

* Calculated as per the formula given above.

If someone wants me to add their scores to this list, I am more than happy to do this


Hoping to get into CRGS I'm new to all this but read that standardised scores gives a better picture than the traffic light system. ( so confused ) I just want to know the million dollar question will my son get a placement, Anyway..
341.695
49 English
42 maths

Thanks


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 Post subject: Re: Standardised Scoring
PostPosted: Thu Oct 19, 2017 11:03 am 
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Joined: Fri Jun 02, 2017 10:31 pm
Posts: 40
Dandaddy wrote:
proud_parent wrote:
leighmum wrote:
Using this year's data:

English Standardised Score = (((Raw Score - 40.3) / 8.7 ) * 15 ) + 100 = E
Maths Standardised Score = (((Raw Score - 32.5) / 11.2) * 15 ) + 100 = M

Overall Standardised Score = 1.5 (E + M)

Note: The Mean and SD have only been given 1 decimal place so won't give the full level of accuracy.


Perfect !!!

I have used this formula to compare with actual results of the shared scores in this forum :

Raw Score SS *SS Eng *SS Maths *SS *Difference
E M
48 34 323.05 113.2758621 102.0089286 322.93 0.12
44 42 328.75 106.3793103 112.7232143 328.65 0.1
47 47 346.55 111.5517241 119.4196429 346.46 0.09
44 52 348.85 106.3793103 126.1160714 348.74 0.11
48 47 349.14 113.2758621 119.4196429 349.04 0.1
51 46 354.9 118.4482759 118.0803571 354.79 0.11
48 50 355.16 113.2758621 123.4375 355.07 0.09
50 49 358.65 116.7241379 122.0982143 358.23 0.42
49 52 361.76 115 126.1160714 361.67 0.09
51 50 362.35 118.4482759 123.4375 362.83 -0.48
54 47 364.67 123.6206897 119.4196429 364.56 0.11
56 55 385.91 127.0689655 130.1339286 385.8 0.11
54 58 386.75 123.6206897 134.1517857 386.66 0.09

* Calculated as per the formula given above.

If someone wants me to add their scores to this list, I am more than happy to do this


Hoping to get into CRGS I'm new to all this but read that standardised scores gives a better picture than the traffic light system. ( so confused ) I just want to know the million dollar question will my son get a placement, Anyway..
341.695
49 English
42 maths

Thanks


Based on feedback on this forum for previous years, together with the traffic light guidance sheet suggests your son has a high probability to 'eventually' be offered a place, possibly from the waiting list.


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 Post subject: Re: Standardised Scoring
PostPosted: Thu Oct 19, 2017 11:08 am 
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Joined: Thu Oct 19, 2017 2:33 am
Posts: 6
so nerve wracking!! okay fingers crossed.. we visited the school yesterday for what can only be described as a whistle stop tour.

thank you


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