Technology2010s-2020sglobalhigh confidence

Smartphone or tablet-based time use surveys can passively collect data such as geolocation for activities and periods when the device was in use.

Notes on verification

Confirmed by multiple independent peer-reviewed studies and survey methodology papers describing passive GPS/sensor data collection in smartphone-based time use surveys, across different research teams and countries. [tier=gold indep_score=0.983 clusters=6 claim_tier=notable | kind=empirical eligibility=high (extractor: empirical/medium)]

Sources

Smartphone or tablet-based time use surveys can passively… · DeepInquiry