attentionchecker
nounUK /əˈtɛnʃən tʃɛkə/
US /əˈtɛnʃən tʃɛkər/
A person or tool that makes sure you are paying attention.
The teacher used an attentionchecker to see who was listening.
OTHER MEANINGS
2. A small question or task used to confirm someone is still watching or reading.
The online quiz had an attentionchecker halfway through to catch people who were guessing.
3. A device that alerts you when your attention drifts away.
His attentionchecker beeped whenever he looked away from the road.
4. A software feature that verifies a user is actively engaged with a screen.
The app's attentionchecker paused the video when the viewer left the room.