Arindam Bharati has one example published here, on Duolingo.

Improving Product Sense · EdTech · 2 phases
Helping Duolingo Users Build Real Speaking Confidence
Research into why Duolingo learners keep their streaks alive but still cannot hold a conversation
Read a few side by side
The fastest way to build product sense from this library is to compare two people who took the same product somewhere different.