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Sekiya Lab
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The lab uses social science to uncover how people think and how information spreads during disasters.

AboutAbout the lab
Understanding post-disaster turmoil through social science
The Sekiya Lab studies information, and people's psychology and behavior, during disasters from a social science perspective.
The lab believes that what truly causes hardship is not the events themselves, such as earthquakes and floods, but the damage and turmoil that people and society suffer afterward.
Using interview surveys, questionnaire surveys, social experiments, and statistical analysis, the lab empirically investigates evacuation behavior, disruption in consumption, and social phenomena during the recovery period.
Focusing mainly on the Fukushima Daiichi Nuclear Power Plant accident of Tokyo Electric Power Company, the lab also studies evacuation during nuclear disasters and social impacts such as reputational damage.
Key terms
- Social psychology
- A field of psychology that examines how people's thoughts and behavior are influenced by the people around them and by society
- Reputational damage (fuhyo higai)
- Economic damage that occurs when, even though safety has been confirmed, rumors or anxiety cause people to stop buying products
- Digital signage
- A system that shows video and text information on displays placed in stations and around town
ResearchResearch themes
Targeting both natural and human-made disasters, the lab builds up knowledge on safety-related information behavior and social informatics, aiming to establish disaster information as an academic field that is both fundamental and practical. Its research rests on four pillars: the social psychology of nuclear disasters, evacuation behavior, next-generation disaster information, and outreach for disaster information.
*Illustrative imageSocial Psychology and Information Transmission in Nuclear Disasters
Focusing on the Fukushima Daiichi Nuclear Power Plant accident of Tokyo Electric Power Company, the lab studies large-scale wide-area evacuation, the relocation of administrative functions, post-accident consumption of agricultural and marine products and tourism, and the social and psychological phenomena of the recovery process.
*Illustrative imageSocial Psychology of Evacuation Behavior
Through repeated surveys of disaster victims, the lab examines how risk, norms, and psychological costs affect evacuation behavior. It also covers evacuation in tsunamis, floods, sediment disasters, and a Tokyo metropolitan inland earthquake, aiming to develop risk communication techniques that encourage evacuation.
*Illustrative imageNext-Generation Disaster Information
In collaboration with organizations outside the university, the lab studies technologies and content for delivering information through digital signage in emergencies, as well as the use of sensor networks and big data during disasters.
*Illustrative imageDisaster Information Outreach
The lab studies how residents understand scientific knowledge such as earthquake and volcano information and weather information for disaster prevention, and how they connect it to disaster preparedness. The research is grounded in studies of advertising and public relations.
MembersFaculty
- ProfessorNaoya SekiyaPublications ↗
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Aerial photograph of 2019 Typhoon Hagibis flood in Nagano prefecture - GSI 5676” 国土地理院 / CC BY 4.0 (cropped)
- Social Psychology and Information Transmission in Nuclear Disasters: “Aerial photo of Fukushima Daiichi Nuclear Power Plant 2021” 資源エネルギー庁 / CC BY 4.0 (cropped)
- Social Psychology of Evacuation Behavior: “MCAS Futenma conducts Tsunami Evacuation Drill (9571544)” U.S. Marine Corps photo by Pfc. Dulce Alvarez Lemus / Public domain (cropped)
- Next-Generation Disaster Information: “CSIRO ScienceImage 3876 A remote sensing node part of CSIROs Fleck wireless sensor network technology” Stephan Brosnan, CSIRO / CC BY 3.0 (cropped)
- Disaster Information Outreach: “Sakurajima” Suicasmo / CC BY-SA 4.0 (cropped)
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