Maybe because your brain made new connections, but was "primed" by what it knew from Duolingo. A bit like you plan a holiday, read the guidebook, then you go t

Maybe because your brain made new connections, but was "primed" by what it knew from Duolingo. A bit like you plan a holiday, read the guidebook, then you go to the destination. Your knowledge of the place was thrashed vs. reading the guide book. But the guidebook helped with some foundational knowledge and was still useful.