So, just intuitively, I would have favored blinking lights. Apparently it’s a pretty nuanced question with many variables and conflicting data.https://www.bikeradar.com/advice/buy...ng-bike-lights.

straight road vs curved, day vs night, group vs solo.

one constant one flashing may be best at night. Flashing appears best during the day.

Mounted on a shoe and moving also could be the answer. This actually deserves its own thread