You're in the area of: https://en.wikipedia.org/wiki/Inter-rater_reliability

--justin

On Wed, Oct 26, 2016 at 11:31 AM, Jonathan Morgan <[email protected]>
wrote:

> Disclaimer: I'm not a math nerd, and I don't know the history of
> Discernatron very well.
>
> ...but re: your second specialized concern, have you considered running
> some more sophisticated inter-rater reliability statistics to get a better
> sense of the degree of disagreement (controlling for random chance?). See
> for example: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3402032/
>
> - Jonathan
>
> On Wed, Oct 26, 2016 at 11:21 AM, Erik Bernhardson <
> [email protected]> wrote:
>
>> For a little backstory, in discernatron multiple judges provide scores in
>> from 0 to 3 for results. Typically we only request a single query to be
>> reviewed by two judges. We would like to measure the level of disagreement
>> between these two judges, and if it crosses some threshold get two more
>> scores, so we can then measure disagreement in the group of 4. Somehow
>> though, we need to define how to measure that level of disagreement and
>> what the threshold for needing more scores is.
>>
>> Some specialized concerns:
>> * It is probably important to include not just that the users gave
>> different values, but also how far apart they are. The difference between a
>> 3 and a 2 is much smaller than between a 2 and a 0.
>> * If the users agree that 80% of the results are all 0, but disagree on
>> the last 20%, even though the average disagreement is low it's probably
>> still important? Might be worthwhile to take all the agreements about
>> irrelevant results and remove them before calculating disagreement? Not
>> sure...
>>
>> I know we have a few math nerds here on the list, so hoping someone has a
>> few ideas.
>>
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>
>
> --
> Jonathan T. Morgan
> Senior Design Researcher
> Wikimedia Foundation
> User:Jmorgan (WMF) <https://meta.wikimedia.org/wiki/User:Jmorgan_(WMF)>
>
>
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