Sunday Territorian

Stoned data on phones


SENSORS on a person’s smartphone could be used as a tool to determine if they’re high, according to a new study.

Researcher­s at Rutgers University found an algorithm that combined sensors tracking movements and GPS data had a 90 per cent accuracy rate in determinin­g if someone was stoned.

Data was collected from young adults who used cannabis at least twice a week. Researcher­s examined phone surveys, self-initiated reports of cannabis use and continuous phone sensor data to determine the time of day and day of week in detecting use.

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