Quality assessment of location data obtained by the GPS-enabled PARROTS survey tool Hasselt University
A custom tool, PARROTS (PDA system for Activity Registration and Recording of Travel Scheduling) was developed to collect activity-travel diary data and global positioning system (GPS) based location data during trips. This tool is currently deployed in a survey that is carried out on 2500 households in Flanders (Belgium). To judge the effect of the PARROTS tool on the quality of activity-travel diaries, a paper-and-pencil diary was designed and ...