[WikiEN-l] two-tiered ratings system (Was: To boldy delete what no one had deleted before!)

[Alvaro García]

The "X out of X readers found this review useful" is very helpful.
Using the same Amazon example, when you click See Reviews on a  
product, they show you a great thing: they put the most helpful and  
higher review aside the most helpful and lower review.


--
Alvaro

On 14-01-2009, at 21:59, Ray Saintonge <saintonge at telus.net> wrote:

> Ian Woollard wrote:
>> On 14/01/2009, Ray Saintonge wrote:
>>
>>> Not everybody pays attention to GA/FA. A public rating system where
>>> anyone can rate each article on a 0-10 scale might be  
>>> controversial to
>>> implement, but on a cumulative basis would give a good statistically
>>> based valuation of the article.
>>>
>> Possibly not. The experience with these kinds of systems at Amazon  
>> for
>> example shows that interpreting votes is not simple. A lot of people
>> give consistently high, middle or low votes and there are many
>> pathologies, averaging them out gives much worse results than you
>> could expect.
>>
> Sure, optimists may very well score everything high, and pessimists  
> may
> score everything low.  Still, the overall results will tend toward  
> some
> mean value. probably higher the expected value of 5.0 that one might
> anticipate before we have any real data.  If the overall mean migrates
> to say 5.7 other interpretations of data can be adjusted accordingly.
> We don't interpret individual votes, but overall data.
>
> In our involvement with Wikipedia we have accepted the principle that
> anybody can write an encyclopedia article.  Choosing a number  
> between 0
> and 10 is a somewhat easier task.  Can we not accept that the vast
> majority will approach such a task with the same level of  
> responsibility?
>
> Yes, there will be some individuals determined to vote stupidly, but  
> one
> of the wonders of a statistical approach is that those efforts are  
> soon
> marginalized.
>
> Ec
>
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