Khristin,
Over the past five years or so, data from the task has been published a
number of times. Some are copied below; there are probably others, listed
at <http://pebl.sourceforge.net/wiki/index.php/Publications_citing_PEBL>.
However, none that I'm aware would easily serve as a normative sample set
for healthy comparison.
You may have success using norms published for another implementation of
the IGT, such as the one sold by PAR; I believe (but haven't confirmed)
that the norms they use for the computerized task come in part from
studies using the paper-and-pencil one, and given that our version was
made to work with the same card sequence, it is probably as close as the
ones they offer.
Perhaps more importantly, this is open research, which means that if norms
are needed, it is because the community hasn't created them yet. There
might be enough people who have used IGT in studies already to assemble a
robust and broad-based norm set; there may also be enough people
interested in it to create such a norm set as a collaborative research
effort over the next semester or year. If anyone wants to spearhead this,
now is the time to step up! There is an unused email list (pebl-norms)
that can be used to organize efforts like this.
Shane
Publications:
Kaare, P. R. (2008). Correlates of pathological gambling in Estonia:
Personality, emotional states, self-esteem, cognitive ability and
decision-making strategies. University of Tartu Master Thesis.
Kaare, P. R., Mõttus, R., & Konstabel, K. (2009). Pathological
Gambling in Estonia: Relationships with Personality, Self-Esteem,
Emotional States and Cognitive Ability. Journal of Gambling Studies,
25(3), 377-390.
Lipnicki, D. M., Gunga, H. C., Belavy, D. L., & Felsenberg, D. (2009).
Bed Rest and Cognition: Effects on Executive Functioning and Reaction
Time. Aviation, space, and environmental medicine, 80(12), 1018-1024.
http://www.ncbi.nlm.nih.gov/pubmed/20027848
Lipnicki, D. M., Gunga, H., Belavy, D. L., & Felsenberg, D. (2009).
Decision making after 50 days of simulated weightlessness. Brain
Research, 1280, 84-89. doi:10.1016/j.brainres.2009.05.022
http://www.ncbi.nlm.nih.gov/pubmed/19447099
>> Hello,,
>>
>> I was wondering if there is any normative data (e.g. normative means and
>> standard deviations for healthy norms) for the PEBL version of the IGT?
>>
>> I am looking to calculate 'clinical impairment' levels for a research
>> study
>> (that utilises the PEBL version of the IGT) and require the use of
>> normative means in order to do this.
>>
>> Could you please assist?
>>
>> Kind regards,
>>
>> Khris
>>
>
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