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Joined: Jul 2014
Posts: 22
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OP
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I was wondering what the benefit of having the SB5 extended norms calculated is? Is it to try and distinguish between extremely and profoundly gifted? In what ways is it useful? thanks
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Joined: Apr 2014
Posts: 4,054 Likes: 2
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It's similar to the WISC-IV extended norms: it is an attempt to spread the curve above the 99th %ile, to distinguish between HG, EG, and PG.
...pronounced like the long vowel and first letter of the alphabet...
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Joined: Jul 2014
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OP
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With a fsiq of 154 and hitting 6 ceilings, do you think it is worthwhile asking the psych to calculate it? I'm already blown away by that result!
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Joined: Apr 2014
Posts: 4,054 Likes: 2
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...pronounced like the long vowel and first letter of the alphabet...
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Joined: Apr 2015
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This is my first time posting - I have been lurking and reading the last 6 months but I really wanted to ask more about this particular question. Has anyone had the SBV extended norms used as part of the assessment and did using them yield anything above 160? I'm curious because my DS also got a FSIQ of 154 with multiple ceilings on the SBV but the testing psyc didn't say anything about using the extended norms - and she specialises in testing gifted children and has done a lot of testing with the SBV over the years.
Her website did say that they use the extended norms in very rare circumstances but at the time DS was testing I was still doing a lot of research and felt too silly to ask about the extended norms - but I wish I had. But as far as I know the extended norms on the SBV don't yield much higher results - although I have heard of someone who got a very high Iq score using the WISCivextended norms.
So if you did ask the psyc about this jayta, I would be very interested to hear what they say!
Last edited by Tippy; 04/29/15 08:08 PM.
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Joined: Apr 2014
Posts: 4,054 Likes: 2
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It depends on how far above the subtest ceiling the child scored. If it's only a few points, then, no, it probably won't make much of a difference. But you can't know that without access to the norm tables.
...pronounced like the long vowel and first letter of the alphabet...
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Joined: Jul 2014
Posts: 22
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Tippy I think I may have used the same psych as you. I just shot them an email and had the EXIQ within a day. The report was modified to include it as well.
It came back as 163 - so 9 points higher than the FSIQ. I don't think that makes a huge amount of difference? I'm not really sure. I am quite thankful though that it wasn't any higher!
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Joined: Apr 2015
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If you are in Sydney it must be the same psyc Jayta. And it's interesting the psyc then used the extended norms but only at your request. I guess though that if the extended norms on the SB5 never give a much higher score than 160 for anyone then it's not possible to distinguish between exceptionally and profoundly gifted using the SB5 - at least in the way it was possible with the Stanford Binet l-m?
And I know what you mean that you are grateful the score wasn't much higher - but once you get to > 99.9th percentile I think that is pretty extreme anyhow! My DS started school this year and things have been pretty tough and we are having all sorts of issues at school and home - from trying to get school work at the right level to extremely selective eating, and things just seem to be constantly getting worse. We are going to start counselling for DS soon and hopefully that will help.
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Joined: Apr 2014
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Actually, the top score on the ExIQ is 225.
...pronounced like the long vowel and first letter of the alphabet...
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Joined: Apr 2015
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I have read that the exiq on the SB5 has a theoretical upper limit of 225 - but nowhere have I seen or heard of anyone actually getting a score much above 160. The SB5 was supposed to have a much higher ceiling than the SB4 but once they developed it and tested it using a group of exceptionally/ profoundly gifted children they found that it in fact depressed scores even more. Then they developed the Exiq for the SB5 to address the ceiling issues - but what I'm wondering is if it has in fact solved the issue - not just in theory. I guess if I have any more dealings in the future with the testing psyc I can ask her the question directly since she has done a huge amount of testing with it.....
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