Edexcel Maths Scaling Watch

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Jac
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Anyone got an idea how much P3 and D2 will be scaled up by, if at all?

jac
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no
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These things only examiners know and vary accordingly every year depending on the difficulty and overall performance of candidates.
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Expression
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Depends how the rest of the nation found it.

The raw threshold will shift down by a maximum of about 4 marks if the nation found it hard, and the initial results on some dreamed up number, don't fit a normal distribution.

AQAs rarely move by any more than + or - 2/60.

Don't expect masses of movement above + or - 4/100 on Edexcels Maths papers.
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Jac
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Expression. no offence but thats rubbish. People were talking about how last years P1 was scaled by roughly 20% up and how P3 in Jan was scaled by about 10% up. This summer's P3 was harder than jan, so im reckon there is a greater scaling. D2 had that 15 mark question which seemed to stump a lot of people and there was no time to complete it. Thats 20% of the paper that a lot of people will by lucky to get 5/15 or so on.

Does anyone with experience of maths papers have a sensible suggestion?

Jac
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20% scaling as in a guy who got 60/75 raw score got 100%!!!?
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jac talks out of his ass.
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Expression
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Experience... I'm sitting the damn exams I think I aught to have researched it a little bit.

AQA C Grade Thresholds:

Methods

Jan 01 30/60
June 01 28
Jan 02 30
June 02 31
Nov 02 35
Jan 03 37


Pure 1

Jan 01 33
Jun 01 25 (the hardest Pure 1 paper yet, and rightly reflected in the threshold mark)
Jan 02 28
Jun 02 31
Nov 02 33
Jan 03 32

Pure 2

Jun 01 31
Jan 02 32
Jun 02 31
Jan 03 30

Pure 3

Jun 01 30
Jan 02 32
Jun 02 34
Jan 03 33

Pure 4

Jun 01 31
Jan 02 32
Jun 02 31
Jan 02 30

Pure 5

Jun 01 30
Jan 02 33
Jun 02 35
Jan 03 32

Pure 6

Jun 01 30
Jan 02 30
Jun 02 36 (nice paper )
Jan 03 30

Discrete 1

Jan 01 34
Jun 01 27
Jan 02 35
Jun 02 34
Nov 02 34
Jan 03 35

Discrete 2

Jun 01 31
Jan 02 32
Jun 02 35
Jan 03 35

Mechanics 1

Jun 02 32
Nov 02 33
Jan 03 32

Mechanics 2

Jun 02 31
Jan 03 35

Stats 1

Jun 02 34
Nov 02 34
Jan 03 32

Stats 2

Jun 02 33
Jan 03 34


There is, for the best part, very little movement, in the marks out of 60. A couple of cases there have been drops of 7 or 8 % most likely to represent a tough paper, in the opinion of the chief examiner.

Don't hold your breath for 20 % threshold drops. You won't wake up....
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Jac
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Thats AQA mate, I'm talking about Edexcel.
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Rahul
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my techer said for p3, ur probably looking at around 68% raw marks for 80% UMS mark!
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Jac
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Thankyou Rahul, that was helpful
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Expression
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I knew that from the offset, but Edexcel are such a **** board, and have a "we don't deal with students" policy, so they don't put thresholds / examiners reports on the web.

AQA will follow the same guidelines when it comes to moving thresholds around, that every other exam board has to, whether it be OCR, WJEC, or EDEXCEL.

Using the evidence of AQAs threshold movements on papers out of 60, there may be a little more fluctuation in on papers out of 100, but the percentage changes will remain consistant I would expect.
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Rahuland Jac I dearly hope u r rite!!!
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rowei
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Jac is right. All exam boards, including Edexcel and AQA, will scale up marks even by as much as 20% if candidates find an exam particularly tough. Therefore, it is perfectly logical to get 100/100 UMS with only 60/75 if the overall standard is lower than that of previous papers. As I said before, I did A-level Maths in 1998 with Edexcel, and on M2 (Summer 1998), you only needed 61/100 to get a uniform mark of 120/150, i.e. an A.
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Jac
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Rowei, the voice of experience...lol
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Sazzle
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When we did S1 in January 2001 it was a hard paper and 63/75 became 100%
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Bigcnee
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Originally posted by Sazzle
When we did S1 in January 2001 it was a hard paper and 63/75 became 100%
Really!??!!

That's only 84%! I hope that happens with P3
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rahul and jack are right. i got 74 on the p1 last year and there is no way that i got that. it must have gone up by at least 20%. im just praying that the same happens with p3 cos i really screwed up badly. looking at the modal answers just depressed me!!!!!!!!!!!!!
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