jefmcg
Guru
That's probably true to toddlers, but not for phones. The beeping isn't the distraction, it's responding to it. If sweets beeped to let you know they were ready to be eaten, they'd be more dangerous than quiet sweets.I would have viewed that as a special (more extreme) case of the first class: grabbing your attention means diverting your cognitive resource. The difference is not in the thing being demanded but in the unpredictability of that demand.
(I'm not sure this analogy is working
