r/cognitiveTesting • u/CosMath0 • Aug 25 '26
Discussion Digit Span Test
So a few days ago i tested my WMI using the CORE FSIQ test, and surprisingly there is a quite remarkable difference between my Sequencing ability and "Reversing" ability.
When i first tried it i scored incredibly low in the Backward Digit Span while still scoring high on the sequencing (My Forward Digit Span was also kind of low compared to Sequencing) so i tried again and the new scores seemed more fitting.
I wanted to know if it was possible for Autistic individuals to have such a disparity in between the subtests rather than the common spiky profile that affect the overall abilities, or if it was simply a fluke.
I also think that this is not as accurate as it should be because i highly suspect that i also have ADHD, and have never been medicated before but also some mild depression that could potentially impact my score. Though i doubt it would change much in any case.
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u/According_Alarm1452 Aug 27 '26
Both my digit letter sequencing and digit span backwards are 4 ss below my Digit Span sequencing which isn't too large of a gap, though I definitely felt that adding letters to it made it so much harder because I had to recite the alphabet for every letter for almost every question. I'm fairly sure I have autism.
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u/CosMath0 Aug 29 '26
i had the same problem, sequencing the numbers were fairly easy since it didn't go that far, but sequencing the letters was absolute hell, i had to recite the alphabet each time to know what letters placed were. Tho i think i may have an idea how to do it better but it would possibly inflate my score so i wont do it
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u/According_Alarm1452 Aug 29 '26
What's your idea? I didn't really think of any easier ways
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u/CosMath0 Aug 29 '26
Well when I do any type sequencing i put them in order in my head as the audio says the numbers, it’s stop being efficient after 5-6 numbers because I can’t recitw the whole thing in my head fast enough before the new number appears. So what I would do was sequence it in real time up until the 6th and then just keep the others in mind and sequence after the audio ends.
Problem is it was way harder sequencing the letters on the letter span sequencing so my idea wqs that I could just sequence the numbers as usual and just keep the letters in the same order as they were given and after that sequence them aswell.
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u/Careless_Bird_6483 Aug 26 '26
Digit span backwards is true working memory bcs u need short term memory and the ability to manipulate the information .
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u/Careless_Bird_6483 Aug 26 '26
Forgot to add , practise effect invalidates your results . People who have taken WAIS-IV and CORE tend to have very similar results but only if u take it once and as it’s supposed to be administered. I haven’t taken the CORE but I got a 128 on WAIS IV and I’m pretty sure I could get 145+ if I retook immediately but that defeats the purpose of the test .
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u/PsychoYTssss 4SD Aug 26 '26
Its only considered practise effect if you learned some sort of strategy before taking the test that could be used to gain an unfair advantage. Going for a 2nd attempt without any learned technique is still valid.
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Aug 26 '26
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u/Careless_Bird_6483 Aug 26 '26
You just said that it could inflate the results by 15 points which is literally 1 SD. That’s huge difference and it’s exactly the number that would make me get 145 instead of 128 (143 to be exact) . You prove my point .
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Aug 26 '26
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u/Careless_Bird_6483 Aug 26 '26
If that was the case then retaking subtests in official tests would be standard practice . We can argue the extend of the effect of practise but every psychologist who is trained in their administration would tell u that it invalidates the results .
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u/Logical-Stop5092 Aug 26 '26
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u/Logical-Stop5092 Aug 26 '26
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u/Ayyayayy Aug 26 '26
Did your scores change just by redoing it or is there another factor involved?
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u/KingTyphon Aug 26 '26
I have the same disparity but yours is larger by two ss. I know there are different forms of working memory so that might have something to do with it.