ATR’s multi-layer Quality Assurance system takes advantage of its staffing structure which maintains a strict separation between project staff and quality assurance staff.
The figure below provides an example of an instance where ATR’s use of GPS tracking allowed for the identification improper data collection. The straight line obviously demonstrated a violation of ATR’s random walk sampling protocols. Upon auditing, further wrongdoing was identified and data recollected.
ATR has newly adapted ArcGIS online to verify the location of each enumerator and ensure diverse data collection in the target area.