Hello Khodaei,

The PMAT is its own measure of fluid intelligence. The simplest way is to use 
the correct responses measure just as it is. You could add age as a covariate 
in your analysis if you are interested in gF  as an individual difference 
variable independent of age effects.

If you’re interested in composite measures of fluid cognition (akin to fluid 
intelligence), verbal cognition (akin to crystallized intelligence) and general 
cognition (akin to general intelligence), you can create composite scores from 
the NIH Toolbox measures as described in 
http://www.nihtoolbox.org/HowDoI/TechnicalManual/Technical%20Manual%20sections/Toolbox%20Cognition%20Battery%20Composite%20Scores%20Technical%20Manual.pdf

I believe that we plan to include these in an upcoming update to the 
ConnectomeDB, but I don’t know the expected date for that.

--Greg

____________________________________________________________________
Greg Burgess, Ph.D.
Staff Scientist, Human Connectome Project
Washington University School of Medicine
Department of Neuroscience
Phone: 314-362-7864
Email: [email protected]

> On Dec 26, 2015, at 2:03 AM, mohamad reza <[email protected]> wrote:
> 
> Dear HCP experts,
> 
> I am working on HCP cognition data. For the fluid intelligence assessment, 
> Form A of an abbreviated version of the Raven test is used.
> 
> They have provided 3 values as the final result for each subject:
> 
> 1)PMAT24 Correct Reponses for Form A
> 2)PMAT24 Total Skipped Items (items not presented because maximum errors 
> allowed reached) for Form A
> 3)Median Response Time for Correct PMAT24 Reponses (ms)
> 
> Since i am bio-medical engineering student and don't have any background in 
> cognitive science, I don't know how to compute the IQ score from these 
> parameters. 
> Is it possible to send me the method for computing IQ score using these 
> values?
> 
> I will be grateful for any help you can provide.
> 
> Best regards,
> Khodaei
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> HCP-Users mailing list
> [email protected]
> http://lists.humanconnectome.org/mailman/listinfo/hcp-users
> 


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