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Fluency - how is it calculated?

In one morning, I've gone down from 11% to 9%. I'm sure it must be correct, and am interested in how it is calculated. Thanks.

July 4, 2015



I think it is based on the word strength of the most important/frequent words in your Duolingo vocabulary. I don't think that the actual words are published so you just have to take it as a very rough guide and a motivating factor, although judging by all the posts it has generated it is anything but motivating.


I'd be careful into putting much faith in that figure. I don't think it's correct in any meaningful way - the numbers I have for Spanish and German don't reflect true fluency (I can't understand half of what I hear in German, for instance).

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