Why Do People Check Their Phone After Hearing a Notification in Public?
Ordinary choices often hide invisible systems.
People check because uncertainty is uncomfortable. The hidden mechanism is interrupted attention.
A notification sound creates a tiny unresolved question.
The message may be important, social, urgent, or meaningless. Until people know which one it is, attention remains partially trapped.
The hidden mechanism is interrupted attention. Humans dislike unfinished information because uncertainty keeps consuming mental resources.
People think they check phones for information. Often, they check them for closure.
