searching for iq study about autism (VIQ vs PIQ)

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I remember seeing a study about IQ and autism linked to on here (I think by Ettina but I'm not sure) about the frequency of VIQ > PIQ, PIQ > VIQ, or PIQ = VIQ

I've been searching for this study, and cannot find it.

Help?

The IQ subscore frequencies were found in a sample of autistic children in that study, if you are talking about the study that I am thinking of.

Greater PIQ > VIQ gap was correlated with greater severity of autistic traits, while greater VIQ > PIQ gap was not.

In the two gap groups, the greater IQ subscore was considered a cognitive strength, while in the no-gap group, there was no particular strength, and the IQ subscores were both around 80.

Try searching autism PIQ VIQ severity in Google Scholar.

I was thinking of multiple:

I wanted to find VIQ > PIQ 1/3 of the time, PIQ > VIQ 1/3 of the time, and VIQ = PIQ 1/3 of the time approximately.

And I wanted also the differences between PIQ > VIQ and VIQ > PIQ - the one you're mentioning is probably the one I was thinking of for that.

Please update this thread and let me know if you do find them. I'd like to read them too.

Did you check this thread:
http://www.wrongplanet.net/postt201822.html

there is no longer only two indexes on the iq test there is now VCI PRI PSI and WMI

I've read that Aspergers has a higher VIQ most of the time while classic autism has a higher PIQ.

Aspergers typically still does well on many aspects of PIQ (especially block design) which distinguishes it from NLD - where PIQ performance is typically worse, but performance on the Comprehension test is better. Of course, clinically, many kids with NLD have have only average or below average VIQ but PIQ below 70. There are only a few of us with gifted VIQ and 90 or so PIQ.

A typical weakness for Aspergers is the symbol coding - which measures processing speed.

FYI: My understanding is that this change was introduced with WAIS-IV. The tests are divided as such:

VCI=Verbal Comprehension Index
- Vocabulary
- Similarities
- Information

PRI=Perceptual Reasoning Index
- Block Design
- Matrix Reasoning (Pattern Completion)
- Visual Puzzles

WMI=Working Memory Index (Math)
- Digit Span (Forward/Backward/Sequencing Skills)
- Arithmetic (Mental Manipulation)

PSI=Processing Speed Index
- Symbol Search
- Coding

The one that I mentioned was the 1/3, 1/3, 1/3 one, if I recall correctly.

The children had autism diagnoses, and the subscores were like (VIQ 105, PIQ 80) and (PIQ 105, VIQ 80) and (VIQ 80, PIQ 80), approximately those subscores for the three groups.

That would make sense - that it talked about the 1/3, 1/3, 1/3.

Unfortunately, I can't find it

The 1/3 1/3 1/3 thing was in the study, either because that small group happened to break down that way, or because the researchers recruited participants to make three equal groups, so it does not indicate that the ASD population breaks down like that in general.

Defining the Intellectual Profile of Asperger Syndrome:
Comparison with High-Functioning Autism

http://deepblue.lib.umich.edu/bitstream ... sequence=1