When I practise a skill within a lesson, does it always automatically practise the weakest words?

If yes, why then have a separate practise the weakest words button? If not, why not make the practise the weakest words button come up on the skill page, rather than having to click for the full vocab list first to see it?

May 1, 2013


Could you please let me know regarding this, it impacts on how I use Duolingo.. Thank you.

May 10, 2013


May 12, 2013


May 22, 2013


September 18, 2013
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