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    #249565 - 03/09/22 06:30 PM how to interprete DS's report
    LittlePetal Offline
    Junior Member

    Registered: 11/23/10
    Posts: 6
    hi, I got a report for my kid (in percentile). It seems a balanced profile across subjects. Any insights what to take away from the report? much appreciated

    Similarities: 98
    Vocabulary: 95
    Block Design: 95
    Matrix reasoning: 99
    Figure weights: 95
    Digit span: 84
    Coding: 98

    it's said in the report the percentiles range from 1 to 99.


    Edited by LittlePetal (03/12/22 08:40 PM)

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    #249566 - 03/10/22 04:10 PM Re: how to interprete DS's report [Re: LittlePetal]
    aeh Online   content
    Member

    Registered: 04/26/14
    Posts: 3990
    Welcome back!

    Yes, this looks like a fairly balanced profile. The only score that is not in the Very High to Extremely High range is DS, which is still in the High Average range, and is a short-term memory span task.

    What kind of information were you looking for from this evaluation?
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    #249570 - 03/12/22 08:16 PM Re: how to interprete DS's report [Re: aeh]
    LittlePetal Offline
    Junior Member

    Registered: 11/23/10
    Posts: 6
    Originally Posted By: aeh
    Welcome back!

    Yes, this looks like a fairly balanced profile. The only score that is not in the Very High to Extremely High range is DS, which is still in the High Average range, and is a short-term memory span task.

    What kind of information were you looking for from this evaluation?


    Thanks! smile
    is there any training to help with improving the ability for digital span?
    I am wondering, how the WSIC-V determine the percentile? For example, how the GAI or FSIQ is determined. Maybe it's not a good question to ask, and it's just for my curiosity :)


    Edited by LittlePetal (03/12/22 08:38 PM)

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    #249572 - 03/13/22 10:57 AM Re: how to interprete DS's report [Re: LittlePetal]
    aeh Online   content
    Member

    Registered: 04/26/14
    Posts: 3990
    As to digit span, there are exercises that can improve digit span per se, but not the underlying working memory skills, which means they're not really useful. For example, there is a commercially-available product out there that reports data on improving digit span, but the actual research finds that it literally improves -only- digit span. Not letter span, or picture span, or spatial span, or any other kind of working memory task. With limited transfer and generalization to any other kind of cognitive skill, it's something that is unlikely to do harm, but given the time and money one would have to expend, it is also not something I would consider a good return on investment.

    In any case, I wouldn't give much additional thought to a DS score in this range (it's still above average), unless you are actually seeing functional concerns somewhere.

    The percentiles on most cognitive assessments, including the WISC-V, are based on standardization samples designed to be representative of the population. After some statistical smoothing, these percentiles represent the ordinal performance of the specific student against the general population of their peers (age-peers, in this case). So a 98th %ile means that this student performed in the top two out of a hundred of comparison peers their age on that task.

    Subtest scores (such as the ones you've posted) are derived directly, the way I just described. Composites scores (such as the GAI or FSIQ), are derived from the sum of scaled scores that contribute to them, which is then converted to standard scores and percentiles.
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