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NFER raw scores vs standardised scores

17 replies

Ruby40 · 15/06/2010 18:12

My DD is in Year 2 and sat NFER tests this year. The teacher kindly gave us the raw scores (she is not supposed to apparently) as we are moving and to give them to her new school. I understand that standardised scores are more relevant than the raw score but I donot know how to calculate this. Does anybody know? Thanks

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cornsilky · 15/06/2010 18:17

You need the manual and you need the standardised score - raw score is useless.

cece · 15/06/2010 18:24

There is a conversion table in the teachers manual. Otherwise it is useless.

Galena · 15/06/2010 18:24

Raw score is just how many marks she got. Standardised takes into account age and 'average' is 100, so over 100 = above average, etc. Only way to convert is with the book - will teacher not give standardised score to you if you ask?

Ruby40 · 15/06/2010 18:24

Thanks, do you know if the manual is downloadable?

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cornsilky · 15/06/2010 18:25

doubt it

cornsilky · 15/06/2010 18:25

there may be a teacher online with it

cornsilky · 15/06/2010 18:25

...who can score it for you

Ruby40 · 15/06/2010 18:25

Sorry, just saw the other responses, I will also ask the teacher for the standardised score

OP posts:
Ruby40 · 15/06/2010 18:28

Just in case there are any teachers on line- her raw score was 29/35 for English and 25/26 for Maths. If any one could help with conversion I would be eternally grateful! She was 7 in May.

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oldandgreynow · 15/06/2010 19:42

Wonder why they are not supposed to give you the scores? Our school tells you at parents evening?

Galena · 15/06/2010 20:02

I guess because the raw scores mean little. If, for example, a 2nd Sept child got 20/30, they might have a standardised score of 90 as they would be expected to get more. However, a 28th August child getting 20/30 will have a standardised score of perhaps 110 as they have done better than expected for their age. It means younger children aren't penalised.

That said, SATS don't take into account age, nor do GCSEs, etc so you could argue that standardised scores are not helpful. I think that for younger children (i.e. KS1), standardised scores are helpful, because a year's age difference is a greater percentage of their lives!

alittlebitbored · 15/06/2010 21:29

sats are age-standardised afaik

singersgirl · 15/06/2010 21:49

No, they are not - it's done on a raw score.

Galena · 15/06/2010 22:16

No, no age is taken into account at KS2 SATS, at least.

singersgirl · 15/06/2010 22:47

No, it isn't, certainly not at my school. A raw score converts to a level in KS2 regardless of the child's age. 11+ scores are sometimes age-standardised. SATs are a measure of attainment, not ability - age standardisation is supposed to infer ability from the relationship between attainment and age.

alittlebitbored · 16/06/2010 06:25

There are age standardisation charts at the back of the teachers notes of the KS1 sats I have got. They are 2003 and 2004. Perhaps they don't do it any more but they definitely used to.

singersgirl · 16/06/2010 09:57

The standardisation table is to convert raw marks to a score where 100 is usually average, not to convert raw marks to a standardised SATs level. I quote (from the 2002 booklet):

"This section provides age standardised scores from the key stage 1
mathematics test. The scores are for optional use, and you need only refer to
this section if you wish. The purpose of the information set out here is to allow
you to convert the child?s actual score in the tests ? the ?raw score? ? to an age
standardised score. Age standardised scores take into account the child?s age in
years and months, so you have an indication of how each child is performing
relative to other children of the same age. However, AGE STANDARDISED SCORES WILL NOT AFFECT THE CHILD'S LEVEL OF ACHIEVEMENT IN THE NATIONAL CURRICULUM AS AWARDED BY THE OUTCOME OF THE TESTS."

It quite clearly says that this age standardisation is optional and does not affect the SATs level awarded. So Level 2a or 3 is not age standardised - it's based on a raw score threshold. However, if you want, you can convert the raw scores to a standardised score but this is not a SATs level.

So SATs are not standardised.

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