Spatial Analysis and Modeling - Plenary Sessions

2026 Plenary Speaker

Since 2000, in cooperation with Geographical Analysis (GA) and the Department of Geography, The Ohio State University, the Spatial Analysis and Modeling (SAM) Specialty Group of the Association of American Geographers (AAG) has established a tradition of co-sponsoring a plenary speaker at the annual AAG meetings.

Year Location Speaker Title
2026 San Francisco, CA Mei-Po Kwan Neighborhood Effect Averaging Revisited: Why It Matters in Geographic, Social Science and Environmental Health Research

The AAG Spatial Analysis and Modeling (SAM) specialty group and Geographical Analysis are delighted to announce the 2026 annual lecture in San Francisco will be given by Mei-Po Kwan from The Chinese University of Hong Kong. Dr. Kwan is the Head of Chung Chi College and the Director of the Institute of Space and Earth Information Science. Her research addresses health, transport, environmental, and social issues in urban areas through the application of innovative geographic information system (GIS) methods. The title of her talk is, "Neighborhood Effect Averaging Revisited: Why It Matters in Geographic, Social Science and Environmental Health Research."

Neighborhood effect averaging refers to the tendency for individuals’ mobility-based environmental exposures to converge toward the average of the population or participants of the study area when compared to the corresponding residence-based exposures. Discovered by Kwan in 2018, it is a fundamental methodological problem (known as the neighborhood effect averaging problem [NEAP]) that may affect the accuracy and reliability of the results of all studies on the influence of mobility-dependent environmental factors (e.g., noise, air pollution, and green space) on human health behaviors and outcomes. Ignoring it may lead to erroneous conclusions and ineffective (or even wrong) health intervention measures. The NEAP highlights the need to consider people’s daily mobility and exposures at locations other than their residential neighborhoods when assessing people’s environmental exposures. Since 2018, subsequent studies have provided further evidence of the NEAP and articulated it as a statistical phenomenon of regression to the mean, indicating its significance as a general issue that may affect most studies on human-environment interaction. In this presentation, I highlight the research progress on and misunderstanding of the NEAP, clarify its nature, and suggest possible future research on specific aspects of the problem, with the hope of improving the reliability of research findings in geographic, social science, and environmental health research.

Past Plenary Speakers

Year Location Speaker Title
2025 Detroit, MI Elizabeth Delmelle It Probably Doesn't Cause Gentrification: Reflections from an Urban Spatial Analyst
2024 Honolulu, HI Peter Rogerson Testing Hypotheses When You Have a Few Too Many
2023 Denver, CO Jennifer Miller On null models in spatial ecology
2022 Virtual
2021 Virtual Sergio Rey Big Code
2020 Virtual
2019 Washington, DC Alan Murray Spatial Analysis and Modeling: Analytics and Spatial Data Science
2018 New Orleans, LA Harvey Miller Some big thoughts about Spatial Analysis and Geographic Information Science in an era of plenty
2017 Boston, MA Daniel Griffith Some Robust Assessments of Eigenvector Spatial Filtering
2016 San Francisco, CA Stewart Fotheringham Dispelling some Myths about Geographically Weighted Regression
2015 Chicago, IL Keith Clarke On the topology of topography
2014 Tampa Bay, FL Helen Couclelis Ignorance in the Age of Information: Prediction and Uncertainty When the Numbers Just Aren't There
2013 Los Angeles, CA Morton E. O'Kelly Hub location: a geographic analysis
2012 New York, NY Robert Haining Space-time modelling to support local policing
2011 Seattle, WA Geoffrey Jacquez Key problems and some solutions in geospatial health analysis
2010 Washington, DC Peter Nijkamp Behavior of Humans and Behavior of Models: A Cognitive Perspective
2009 Las Vegas, NV Denis Pumain Modeling spatial evolution: the example of urban systems
2008 Boston, MA
2007 San Francisco, CA Luc Anselin Spatial econometrics: retrospect and prospect
2006 Chicago, IL Kingsley Haynes Innovation, technology and latecomer strategies: evidence from the mobile handset manufacturing sector in China
2005 Denver, CO Richard Church Beyond 9-11: the new challenges for spatial analysts
2004 Philadelphia, PA
2003 New Orleans, LA Nina Lam Challenges in spatial analysis: an assessment
2002 Los Angeles, CA Arthur Getis Invention as the mother of necessity: a brief history of quantitative methods in geography
2001 New York, NY Michael Batty Generating urban landscapes at the fine-scale: cells, agents, form and development
2000 Pittsburgh, PA Michael Goodchild Spatial analysis in a communicating world