>I doubt how anybody can claim they're "driving safely" when the only observer is oneself and there is no baseline to compare against.
Don't we all get observed and evaluated by a driving instructor before being licensed (think about what that word means) to drive? I'd say that meets your criteria
In theory, yes. In practice, driving instruction and testing in the US is ludicrously inadequate. The driving test here is little more than making sure you're capable of writing your own name.
Don't we all get observed and evaluated by a driving instructor before being licensed (think about what that word means) to drive? I'd say that meets your criteria