Encouraging the child to play the specially designed study games, puzzles, etc and observing their approaches to solving the same (bestresumewriting.com)
I thought I was missing something but it turned out I wasn't, the exact same puzzle works flawlessly on the PC but just doesn't function well on the PS4 at all. (darkstation.com)
Other spot checks yield the same puzzling discrepancies. (edgeandodds.com)