For anyone who wouldn’t spare a click:

The study found the flashing light was far superior on the straight road, allowing detection of the rider from three times the distance of the steady light. This equated to detection 82m sooner, on average.

Also, ooof:

In addition, participants from this study commented that the steady light looked like a motorcyclist from a distance, while the flashing light enabled them to identify the road user as a cyclist sooner.