[derekp7]

There is a really good reason for stopping fully at a stop sign. If your speed and that of the cross traffic vehicle is matched appropriately, the vehicle will occupy the same position (remain stationary) in your field of view. That can cause you to miss seeing the car. By stopping then looking, the car will appear in motion against a still background making it much more likely to stand out.

[spurgu]

Sure, that's a good point, but it also applies to crossings without stop signs. :)

[InitialLastName]

At least where I am (NE US), there are very few intersections that are uncontrolled in all directions.

[senkora]

Bicycles can also be completely blocked by the car pillars due to this effect.