A review of sampling effects and response bias in internet participatory mapping (PPGIS/PGIS/VGI)

Brown, Greg (2016) A review of sampling effects and response bias in internet participatory mapping (PPGIS/PGIS/VGI). Transactions in GIS, . doi:10.1111/tgis.12207


Author Brown, Greg
Title A review of sampling effects and response bias in internet participatory mapping (PPGIS/PGIS/VGI)
Journal name Transactions in GIS   Check publisher's open access policy
ISSN 1467-9671
1361-1682
Publication date 2016-05-20
Year available 2016
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1111/tgis.12207
Open Access Status Not yet assessed
Total pages 18
Place of publication Chichester, West Sussex, United Kingdom
Publisher Wiley-Blackwell Publishing
Collection year 2017
Language eng
Abstract Global interest in participatory mapping described as public participation GIS (PPGIS), participatory GIS (PGIS), and volunteered geographic information (VGI) continues to grow, but systematic study of spatial data quality and sampling effects is limited. This article provides a review and meta-analysis of Internet-based PPGIS studies conducted during the period 2006-2015 (n=26) to answer the following research questions: (1) How does mapping effort, as a proxy measure for spatial data quality, differ by sampling group? (2) Does the purpose and context of PPGIS influence mapping results? (3) What is the potential for mapping bias through sampling design? (4) Given the results, what should be the focus of future PPGIS research? Mapping effort was highest in sampling groups whose livelihoods were closely related to the purpose of the study, there was greater mapping effort in household sampling groups compared to volunteer groups, and participant domicile had strong effects on mapped results through spatial discounting. The use of online Internet panels provides higher response rates but lower spatial data quality. Future research should focus on increasing sampling response rates, assessing social trade-offs using alternative spatial weighting schemes, and examining the capacity of the public to select land use alternatives as a complement to traditional expert-driven planning systems.
Keyword Public participation GIS (PPGIS)
Participatory GIS(PGIS
Volunteered geographic information (VGI)
Geographic information
Mapping processes
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collections: School of Geography, Planning and Environmental Management Publications
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