Can someone explain how/why the study plan differs between people?

My boyfriend and I decided to start learning German together using Duolingo. I did German in high school, but remember very very little, while he has never studied it.

His study plan changed after about two lessons and we would both like to know why. For comparison, this is mine- and his-

Apart from the structure, the number of lessons in some skills differs (9 food lessons for me, 6 for him; 4 vs. 3 in animals), with me tending to have more and I therefore have a larger vocabulary.

I haven't been able to find any information on how/why Duolingo tailors the study plans on an individual basis, but we are both curious.

Can anyone shed some light?


March 23, 2013


My guess: I think they are simply testing different approaches to see what plan works best. I doubt it is 'tailored' as much as a blind study. They need data to show that their system works, and they tinker with it to make it better. If, after a a few weeks, you have made much better progress than your bf -- apart from simply being much smarter ;) -- Duo could put everyone on the plan you used.

March 23, 2013

Exactly right. We're testing a new skill tree for German. We are always going to be evolving, and you're all a part of that experience.

March 23, 2013
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Now you have to account for dependency in your sample! =P

March 24, 2013

Thanks for the response. It makes sense now.

March 23, 2013

Strange. I don't have an answer, but I would like to know as well.

March 23, 2013

I was wondering about this as well. I see other people with Masc/Fem sections, and I'm like........ I don't have that...

March 23, 2013

Just some A/B testing being done by the duolingo people.

March 23, 2013
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