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Behavior Modeling Lab (Shuhei Yamamoto)
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The lab studies how to understand human behavior from data and support changing it for the better.
AboutAbout the lab
Understanding human behavior through data
Yamamoto Lab studies data on human behavior and decision-making observed on the web and in the real world.
Drawing on insights from behavioral economics and other fields, the lab uncovers the mechanisms behind behavior, models them with machine learning, and develops technologies and methodologies that change behavior for the better.
A distinguishing feature of the lab is that it handles the whole sequence from uncovering the mechanisms of behavior to modeling, behavior change, and support.
The lab accepts students through the College of Knowledge and Library Sciences at the undergraduate level and the Degree Programs in Informatics at the graduate level.
Key terms
- Cognitive bias
- A psychological tendency to rely on preconceptions or intuition and make irrational decisions
- Multimodal data
- A data set that combines multiple data formats, such as text, images, and sensor data
- Nudge
- A technique that uses cognitive biases to gently prompt people to make a particular choice
NewsLab news
A joint research team that included students won 1st place in the ICIP2026 Grand Challenge
A paper by a master's student was accepted to ICADL2026 as a short paper
A student won the LOIS Young Researcher Award and a faculty member won the LOIS Research Award (IEICE LOIS Technical Committee)
An undergraduate student won the Student Presentation Award at DEIM2026
A faculty member won the Good Presentation Award at the IEICE LOIS Technical Committee
ResearchResearch themes
Based on data on human behavior and decision-making observed on the web and in the real world, the lab works on uncovering the mechanisms of behavior, modeling behavior and decision-making, and building technologies and methodologies that change and support behavior. It also conducts research and development on information retrieval technology for multimodal data that capture human behavior and decision-making.
*Illustrative imageAnalyzing Cognitive Biases and Behavior
The lab collects data on people's behavior and circumstances and combines data analysis with insights from behavioral economics. It aims to clarify quantitatively in what situations cognitive biases are likely to occur.
*Illustrative imagePredicting Behavior from Multimodal Data
The lab uses machine learning to properly process multimodal data that combine text, images, sensors, and more, maximizing the interaction between the different data types. It aims to develop foundational technologies for predicting and understanding human behavior.
*Illustrative imageBehavior Change with Personalized Nudges
Nudges, which use cognitive biases to gently prompt people toward certain behavior, mostly apply the same intervention to everyone. This research builds a nudge system that takes into account the strength of each individual's cognitive biases, aiming for more effective behavior change.
MembersFaculty
Members of Yamamoto Lab include faculty members, graduate students, undergraduate students, and research students.As of 2026
- Associate ProfessorShuhei Yamamoto
VoicesStudent voices
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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: “Diverse people using phones” Rawpixel Ltd / CC BY 2.0 (cropped)
- Analyzing Cognitive Biases and Behavior: “Empty supermarket shelves before Hurricane Sandy, Montgomery, NY” Daniel Case / CC BY-SA 3.0 (cropped)
- Predicting Behavior from Multimodal Data: “Mirrorless Camera Sensor” Nulcheck / CC BY-SA 4.0 (cropped)
- Behavior Change with Personalized Nudges: “Cafeteria Workers Preparing Healthy School Meals - DPLA - a96bfd95860f0e77bb03da46fec8736f” Department of Agriculture. Office of Governmental and Public Affairs. Photography Division.?? / Public domain (cropped)
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おける マルチメディアの 活用 （大澤 文人） ): “Computer classroom of the Baozhong Junior High School 20190410” 褒忠國中 雲端網 / CC BY 2.0 (cropped)
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