And these deliver data which cannot be reproduced? Are the scientific tests of Rob ter Horst worth nothing? Again and again Rob ter Horst makes scientific tests about smartwatch accuracy: But if we go to the scientific literature:https://petergamma.org/90-review-of-accuracy-studies-of-consumer-grade-heart-rate-monitors-methods-testing-protocols-reference-devices-02/ Are there only people who do scientific smartwatch accuracy tests who screw around their data until they …