People will say this is by a certain artist and we can look at the materials that he used, and decided if those materials were available during that artist's lifetime.
The crew only had 25 seconds per ride to shoot, so the filmmakers broke down each scene into small chunks and then later used wires on set for close-ups.
The authors of the paper are from different universities, and their findings are based on a study involving 147 students (who completed the project) at an unnamed private university.